Fig. 6
From: Circus is a performance but it is also a building—memory of circus buildings in Europe
Circus spectacle held on the tank during the Second World War in USSR. Source: Circus spectacle held on the tank during the Second World War in USSR—Ostrovsky (2015) Cirk vo vremia Velikoy Otecestvennoy voini. Ministerstvo kulturi Rossiskoy Federacii, Moscow