This is one section of the Memorial Complex and Monument to the Soviet Army that symbolizes the ‘gratitude of the Bulgarian people’ to the Russian soldiers. The complex was built in 1954 in Sofia, Bulgaria.
The writing in black on the wall is: In keeping with the times! Colored paintings include characters of American comic books: Superman, Joker, Captain America and others -along with Ronald McDonald and Santa Claus. The authority later cleaned up the graffiti, though message on the wall reminds the winds of the time…
The non-pained original part of the monument looks like this:
And the whole monument complex:
Indeed! No wonder Bulgaria cancelled South Stream pipeline agreement with Russia despite opportunity to earn half a billion dollar revenue yearly.