Another website and again for the photos it hosts, because nothing says 1980s-90s Soviet Union quite like this image (yes, that is the Russian White House in the background, after the coup attempt):
EnglishRussia:
1980s tag: -
https://englishrussia.com/?s=1980s
1990s tag: -
https://englishrussia.com/?s=1990s
Soviet tag: -
https://englishrussia.com/?s=soviet