Approaching an open bunker is eerie. The sound from your feet collects in the bunker and bounces back at you like a giant megaphone. Thankfully nothing was living inside this one.
- Eaves, Chris (March 16, 2020). Abandoned Government No. 4 [Photograph]. Midewin National Tallgrass Prairie, Ill. Shot on a Canon 6D at 16mm, 1/125 sec., f8 at ISO400.