Did Anyone Else Notice This Strange Shape on the Antarctic Ice?

What on Earth? | Tuesdays at 9/8c on Science Full Episodes Streaming FREE on Science GO: https://www.sciencechannelgo.com/what-on-earth/ A satellite captured this image of an oval in the coldest and driest place on Earth. It measures 400 feet wide, and looks potentially man made. What is it? Dig into more mysteries: http://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