Tehran Niayesh Tunnel, Tehran, Iran (3D animation)
This animation shows the driving experience in the Niayesh tunnel of Tehran. Niayesh city road tunnel by length of more than 10 km designed to cut down the traffic jams in the Tehran metropolis, is the second-longest under-construction city-road tunnel in the world in 2012 after China's Baotashan city road tunnel (10480m).