Scientists investigate intriguing underground networks of hidden tunnels, historic buildings, and strange geological phenomena that provide insights into our past using state-of-the-art technology,...Read more including ground penetrating radar (GPR), LIDAR (Light Detection and Ranging), and 3-D photography.
Scientists investigate intriguing underground networks of hidden tunnels, historic buildings, and strange geological phenomena that provide insights into our past using...Read more state-of-the-art technology, including ground penetrating radar (GPR), LIDAR (Light Detection and Ranging), and 3-D photography.
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