Attics: They’re not just for crazy uncles anymore. In fact, interior designer Veneta Nikolova and architect Dimitar Karanikolov have exploded the notion of what an attic apartment can be with this smartly sumptuous loft in Sofia, Bulgaria. The two-year Loft 9b project yielded amazingly clever results. For starters, there’s a large dark cube that conceals the bathroom that sits on top of the building’s elevator shaft. The cube’s walls are just 16mm thin, with custom made concrete panels on t...