I would imagine the authoritarian nature of the Soviet Union would suppress other displays of colour also. Much of the colour in my city is street art https:

I would imagine the authoritarian nature of the Soviet Union would suppress other displays of colour also. Much of the colour in my city is street art https://www.christchurchnz.com/christchurch/arts-and-culture/a-taste-of-christchurchs-street-art/ https://www.christchurchnz.com/christchurch/arts-and-culture...