Architecture of Leningrad 1957 Rare Photo Book with shops 300+ Street Scenes

This fascinating photo book was published in the USSR in 1957, an anniversary of some sort celebrating the city of Leningrad's 250th birthday. The hefty book (340 pages) contains hundreds of black-and-white photographs of street scenes, grand shops architecture, monuments and parks. Because of its limited run, the photographs in the book have hardly been seen by anyone, including probably current residents of today's Saint Petersburg.