The photographer has started with the photographs of Saint-Petersburg/Leningrad, where he lives. The siege of Leningrad [1] was one of the most atrocious events of the WWII in Europe.

[1]: http://en.wikipedia.org/wiki/Leningrad_Blockade

I find this one to be most unsettling: http://pics.livejournal.com/sergey_larenkov/pic/0002922z/