Anyone who's ever visited a post-soviet country would've probably noticed some dull and depressing Eastern Bloc apartment buildings. Designed solely for one purpose—to put a roof over the heads of as many residents as possible, as quickly as possible—these buildings are definitely not the greatest example of charming architecture. However, the people who lived behind the iron curtain learned to make the most of what they had, and that included decorating the yards and hallways of these…