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Reconstructing Reality: This Scientist is Teaching Machines to See in 3D

A blood-red helicopter swooped low over a French village at the foot of Mont Blanc, dangling what looked like a miniature wrecking ball.  Renaud Keriven feared that his enthusiasm for the project – for the chance to change how we see and study the world – had led him into a career-ending faux pas. “It was insane. Completely unauthorized,” he recalls. “But if we hadn’t been a little crazy, nothing would have happened.” That “wrecking ball” was a 50-kilogram sphere stuffed with 25 cameras – an improvised aerial capture system designed to photograph the village from every angle. In just three minutes, Keriven and his fellow guerilla researchers from École des Ponts ParisTech had captured what they needed. A full week of computation later, the result was a detailed 3D model of the entire village. “It felt fantastic,” says Keriven.   That was in the late 2000s, the swashbuckling beginnings of “reality capture.” Today, Keriven is a distinguished engineer at Bentley Systems, the infrastructure engineering software company, helping shape the future of digital infrastructure and infrastructure digital twins. But his mission remains unchanged: to teach machines how to make visual sense of the world – and reconstruct it in 3D. What

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A View of The Future: Visiting Pau, the French City With a Digital Twin That’s Showing the World What’s Possible

The French poet Alphonse de Lamartine famously proclaimed that the city of Pau in the southwest of France has “the most beautiful view of the Earth, just as Naples has the most beautiful view of the sea.” He was talking about the snow-capped mountains of the Pyrenees, which stretch high across the horizon to the south of the city. In fact, the view is so beautiful, that it is part of France’s national heritage and safeguarded by a national decree called Horizons Palois. It’s now also protected by the latest digital technology. They have built a digital twin of the entire city to help it improve operations, planning, and public trust. So when city officials showed residents the project plan for the “Rives des Gaves” and the famous Boulevard des Pyrénées, with its  protected view, they didn’t rely on, static drawings and 100-page reports. The digital twin allowed residents to explore, interact, and see—all in 3D—exactly how the skyline project integrated into the landscape without affecting Pau’s scenic skyline in any way.  Software and Sustainability Pau’s digital twin is a great example. It sits at the heart of city planning and operations. Municipal departments use it to simulate traffic scenarios, manage utility networks, model architectural projects, track

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From Earth to Orbit: First Cesium Developer Conference Lands in Philly to Explore the Future of 3D Geospatial Tech, Digital Twins, and Open Data Innovation

Philadelphia can claim a variety of firsts — from where the first general-purpose digital computer was built to being home to the country’s first botanical garden. Let’s add another one: Hosting the inaugural Cesium Developer Conference, an event that brings together a robust community of professionals, builders, and innovators shaping the future of geospatial technology. The 2025 Cesium Developer Conference, running June 23-25, will bring together a community of experts to share and build on their knowledge in a field that is transforming the modern world. Geospatial technology is integral to everything from predicting extreme weather and tracking real-time traffic to mapping critical infrastructure, monitoring construction sites, managing underground utilities, and responding to natural disasters. Using location-specific data and high-fidelity imaging, the geospatial industry is projected to reach $1.2 trillion in sales by 2030. The Philadelphia gathering, hosted by Cesium, Bentley Systems’ geospatial company, also underscores the huge potential of an open geospatial ecosystem, where developers, users, and vendors seamlessly exchange data to collaboratively drive innovative solutions. “The conference marks an inflection point for Bentley to demonstrate our commitment to growing and empowering the open geospatial ecosystem,” said Chris Andrews, Bentley’s vice president of platform integrations and conference chairperson. That commitment

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High Wire Act: From Jokes to Marathons, Bentley’s AI Guru Delivers Under Pressure

Karl-Alexandre Jahjah is nearly impossible to catch off guard – or to outrun. He, where quick thinking means survival and glory. He also runs marathons, including one less than a year after rupturing his Achilles tendon. That mindset – face a challenge, get to work, push through – underlies Jahjah’s success as Bentley Systems’ director of applied AI, where he leads the team building the next generation of AI-powered infrastructure tools. Inside the company, he has built a reputation as someone who can transform complex engineering problems into working products. He’s also known for his collegial workplace style, a trait polished by his improv background. “Even the fiercest-seeming improv battles are actually collaborative,” he says. “The magic always comes when you build off each other’s best ideas.” It’s the same spirit he brings to his current flagship project: OpenSite+, which was released to testers at Bentley’s Year in Infrastructure event in 2024 and will be generally available later this year after a limited release in late June. From an early age, Jahjah was one to watch. On his first day of kindergarten, he walked over to the reading corner, chose a book, and began reading aloud to the other children.

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The 10 Best Infrastructure Stories Of 2025 … So Far!

We’re only halfway through 2025, yet we’ve already brought you stories from around the world about how AI and digital twins are transforming the way we design, build, and maintain the infrastructure around us. From flood-proofing the bustling streets of New Orleans to helping firefighters work faster and safer in Dublin, here are 10 of the most powerful stories we’ve brought to you so far this year on our blog, Bentley Insights & Inspirations. Protecting The Big Easy Revelers taking in New Orleans’ famed Mardi Gras parades may not know that the streets hosting the boisterous celebrations are near or below sea level, in a city surrounded by water. Keeping everyone dry – from floodwater, at least – is a marvel of U.S. infrastructure. The city known as the Big Easy is ringed by a system of levees, floodgates, pump stations, spillways and other infrastructure that keep residents and visitors safe. One key component is the giant 17th Canal Pump Station, which takes water from a canal that drains New Orleans and dumps it into a lake north of the city. Now, that pump station has a digital twin, built using software developed by Bentley Systems. Joey Coco, president and

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Infrastructure Is About People, Not Concrete: How Leaders Are Rethinking What We Build, Where We Build, and How We Pay For it

Nothing is certain except death and taxes, the cliché goes. But even taxes come with surprises—like the cost of crumbling infrastructure. “When we fail to invest in infrastructure, that’s a hidden tax we pay today,” said Tom Smith, executive director of the American Society of Civil Engineers (ASCE). “Instead of paying a real tax that would produce something, we’re paying in response to infrastructure that is non-performing.” Smith estimates this hidden tax costs each American family around $2,000 a year—and could increase to $2,700 “if we fail to continue the Infrastructure Investment and Jobs Act investments that we have today.” Smith spoke at the recent Transforming Infrastructure Performance (TIP) forum in New York City, a global gathering seeking to “bring together the best minds in infrastructure.” Attendees included Maryland Lt. Gov. Aruna Miller, who spoke about the effort to rebuild the Francis Scott Key Bridge in Baltimore; Uzoamaka N. Okoye, chief of staff for the New Terminal One at JFK airport, who discussed the complexities and challenges of building a brand-new terminal at one of the world’s busiest airports while keeping flights running; and Tom Curtin, senior policy advisor at the investment firm Meridiam, who talked about funding sustainable and

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Zoom In, Scale Up: Why Infrastructure Innovators Are Turning to Cesium’s 3D Geospatial Tech

Mark Pittman parlayed his frustration with a broken traffic light into a pioneering startup that today uses artificial intelligence (AI), machine vision, and cloud computing to help maintain the nation’s roads more intuitively and effectively. Since its launch in 2014, Blyncsy has delivered intelligence and near real-time status updates to transportation departments across the U.S. and Europe, helping the agencies create safer roads for both drivers and maintenance crews. Emerging as an industry leader, Blyncsy was acquired by Bentley Systems, the infrastructure engineering software company, in 2023. Now another Bentley acquisition, 3D geospatial company Cesium, is elevating the Blyncsy experience. The partnership illustrates why many architecture, engineering, and construction (AEC) organizations rely on Cesium to innovate how they design, build, manage, and maintain critical infrastructure. Here’s how the partnership works: Blyncsy crowdsources images from more than 1.2 million vehicles. It stores and analyzes the data in the cloud and provides users access via open Application Programming Interfaces, or APIs, that link to their platforms and transportation managements systems. This is where Cesium comes in. The company and its 3D visualization technology can quickly bring to life traffic patterns, road conditions, and infrastructure health insights found in Blyncsy’s data analysis. The

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The New Gold Rush: How Digital Tools and AI Are Reviving Abandoned Mines

In mining, billion-dollar decisions often rest on what happened months and years ago in the core shack—an unassuming shed near a potential goldmine where drill cores become data. Geologist David Newton should know. Early in his career, he spent long, cold days manually logging drill core data into sprawling Excel spreadsheets thousands of rows deep. “That’s where the rubber meets the road,” he says. “If logging errors slip through unnoticed, they can’t easily be fixed. And the crazy part is, the people logging that data are often the most junior, lowest-paid employees in the whole operation.” In any industry where data underpins important decisions, precision is everything. This is especially true in gold mining, where the stakes have never been higher. Over the past decade, gold prices have increased by over 160%. In the last six months alone, they leapt nearly 30%, surpassing the $3,500 per ounce mark for the first time in history. A golden opportunity This extraordinary rise is doing more than boosting the value of portfolios—it’s flipping the script on the economics of mining. Mines that were mothballed decades ago and deemed too expensive to continue working are suddenly gleaming with promise. “When gold booms, the calculus

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Signs Of Change: How Bentley and Google Are Transforming Roadway Maintenance and Disaster Recovery

Devastating wildfires tore through the hills surrounding Los Angeles in January, leaving emergency responders to navigate a maze of smoke, debris, and melted street signs. Familiar roads and landmarks were rendered unrecognizable. Like other densely populated areas hit by natural disasters, Los Angeles faced an agonizingly slow process of damage assessment—collecting information, conducting laborious inspections, and relying at times on guesswork to guide critical relief efforts. This traditional approach to disaster relief is quickly changing thanks to a groundbreaking collaboration between Bentley Systems and Google. This partnership provides states with better information to recover from crises by using AI-generated insights pulled from constantly updated datasets and historical records of infrastructure. And the fruits of this partnership will be applicable to many more infrastructure needs beyond disaster recovery. Solving a Massive Data Problem When Bentley Systems, the infrastructure engineering software company, acquired Blyncsy, which applies AI to crowdsourced imagery for automated roadway asset detection and inventory, in 2023, it aimed to disrupt the tedious process of municipal roadway inspection. Integrating Google Maps’ robust imagery and data into Blyncsy establishes a comprehensive baseline for proactive management of everything from potholes and cracks in pavement to more serious infrastructure risks caused by disasters.

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Engineering the Future: Training the Next Generation with Some of the Most Complex Infrastructure on Earth and maybe Mars

Louisiana is no stranger to devastating storms and floods, but you’d never know it every February when New Orleans erupts in Mardi Gras, a festival of sound and color flavored with boisterous parades, jazz, and spicy crawfish boils. Locals know that beyond the beads and feathers and brass band music sits some of the most complex infrastructure on the planet, from levees and seawalls to canals and spillways, all built to protect the city surrounded by water from flooding. Keeping the system up to date is an urgent task. The latest initiative to do so is the brainchild of James Scott Fargason, a business professor at Louisiana State University, and his former student, Russell J. “Joey” Coco Jr., now an acclaimed infrastructure engineer and executive. The duo is leading a revolution to digitize all infrastructure, from single bridges to entire cities, with an eye toward making it “smarter” and more resilient. Their vehicle is Digi-Twin Global, a company they started in Baton Rouge, home to LSU, to advance digital twin technology for infrastructure owners, managers, and operators. “The future of digital twins is going to be what you can do with the huge amount of data that’s out there,” says

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