Anonymous ID: e8a6d0 Feb. 1, 2020, 11:56 a.m. No.7993135   🗄️.is 🔗kun   >>3248 >>3420 >>3562

>>7993032

 

https://www.washingtontunnels.com/washington-aqueduct-map

 

https://www.smithsonianmag.com/travel/underground-tunnel-dc-finally-getting-fresh-air-180955206/

 

http://forum.skyscraperpage.com/showthread.php?t=202931