https://en.wikipedia.org/wiki/Revolutionary_Mass_Festivals
◇ The Storming of the Winter Palace Reenactment - Google 検索
https://www.google.com/search?q=The+Storming+of+the+Winter+Palace+Reenactment&biw=1436&bih=805&tbm=isch&source=lnms&sa=X&ved=0ahUKEwjlmbv7_fLLAhXn3KYKHfF9AEQQ_AUIBigB
◇ Bolshevik Festivals, 1917–1920
http://publishing.cdlib.org/ucpressebooks/view?docId=ft467nb2w4;chunk.id=0;doc.view=print