What’s Behind this Giant Chessboard Pattern in Idaho? | What on Earth?

Satellites capture a series of giant checkerboard patterns in the US, some several miles wide. Investigators uncover the brutal story of their creation. Stream Full Episodes of What on Earth?: https://www.sciencechannel.com/tv-shows/what-on-earth/ Subscribe to Science Channel: http://bit.ly/SubscribeScience Like us on Facebook: https://www.facebook.com/ScienceChannel Follow us on Twitter: https://twitter.com/ScienceChannel Follow us on Instagram: https://www.instagram.com/ScienceChannel/