Angkor: Ancient Mega City in the Jungle

What on Earth? | Tuesdays 9p Scientists use LIDAR to unlock secrets behind the ancient city of Angkor, including an impressively complex network of water channels. Full Episodes Streaming FREE: https://www.sciencechannel.com/tv-shows/what-on-earth/ Subscribe to Science Channel: http://bit.ly/SubscribeScience Check out SCI2 for infinitely awesome science videos. Every day. http://bit.ly/SCI2YT Join Us on Facebook: http://www.facebook.com/ScienceChannel Follow Us on Twitter: http://www.twitter.com/sciencechannel