Anonymous ID: 78f4a9 March 7, 2019, 6:44 a.m. No.5556729   ๐Ÿ—„๏ธ.is ๐Ÿ”—kun

>>5556625

>five multistory buildings were completed and then mysteriously โ€œburiedโ€ underneath the airport

 

This is the part I don't get.

How do you build multi-story buildings (presumably above ground) then bury them underground?

By slowly digging out the earth underneath them and letting them sink?