Why are there giant concrete tunnels in the desert?

The Physics Girl team visited LIGO once again. This place is Dianna’s obsession. If you liked this video check out these: I Visited the First Gravitational Wave Detector! LIGO | STELLAR Why aren’t plants black? :herb: Thanks to LIGO Hanford, Michael Landry, Amber Strunk, Sharan Banagiri and Salvatore Vitale. Creator/Host: Dianna Cowern Editor: Levi Butner Research & Writing: Dianna & Imogen Ashford