Remote Monitoring for Inaccessible Infrastructure 1 - Image Index | 20 Ways AI is Advancing High-Speed Rail Fault Detection Drone Flying Through Tunnel: A drone flying through a tunnel with water on the ground. The drone is black and has four propellers, two at the front and two at the back. It appears to be equipped with cameras or sensors, as indicated by the blue lights on its body. The drone is flying low over the water, which reflects the yellow light from the tunnel's lighting system. The background of the image shows a long, dark tunnel with a curved ceiling. The walls are made of concrete and have a rough texture. The floor is wet and shiny, reflecting the light from the tunnel's lights. There are no other objects or people visible in the image, except for the drone flying through the center.
