Frédéric Chaubin's subversive Soviet superstructures

In his book Cosmic Communist Constructions Photographed,
Frédéric Chaubin documents 90 buildings in 14 former-USSR republics
belonging to what he calls the 'fourth age' of Soviet architecture.

They
reveal an unexpected rebirth of imagination, a burgeoning that took
place from 1970 until 1990 and in which, contrary to the 20s and 30s, no
'school' or main trend emerges.

These buildings represent a
chaotic impulse brought about by a decaying system. Their diversity
announces the end of the Soviet Union...