Still since there is access to the subway they could have moved stuff out throug...

eps · on Nov 19, 2011

That's clever, but Moscow subway is open between 4:45am and 1:00am. That doesn't seem to give much time to move out a lot of dirt, not quickly.

bdunbar · on Nov 20, 2011

That's clever, but Moscow subway is open between 4:45am and 1:00am

Even back then? Even so, I bet the authorities could simply close the system down early, close off stations as needed.

Still, I suspect the builders were not worried about subway patrons seeing trainloads of excavated dirt.

They were worried about overhead satellites.