When a building is under renovation it's quite easy to enter it. So the author of the photos got onto the roof of "Moskva" hotel to take these pictures.
Today not so many people wish to see the mummy...
It used to be different in the 1930s
Pokrov Cathedral built in the times of Ivan the Terrible
Voskresensk gates with Chapel and Vestry of Iberian Icon of Mother of God. The gates were removed in 1931 because they prevented tanks from entering for parades. In 1994-96 they reappeared here.
Here is how they used to look