# Why are there giant concrete tunnels in the desert?

An episode of [Huge If True Podcast](https://invisiblenetwork.ai/podcast/6791663704), 13 Sep 2026, 11 min.

Audio: https://mcdn.podbean.com/mf/web/s2e439fqj9nwa6ma/Why_are_there_giant_concrete_tunnels_in_the_desert_7h8p1.mp3

Thanks to LIGO Hanford, Michael Landry, Amber Strunk, Sharan Banagiri and Salvatore Vitale.

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