The hanging Spirals staircase. This design makes sweeping under the stairs easy! A hanging double spiral staircase is part of the Didden Village project in Rotterdam. There are two such staircases; the other is a single spiral.
Zaha Hadid [Baku, Azerbaijan] Zaha Hadid's Heydar Aliyev Centre wins 2014 Design Of The Year. With the alluring curves of the building and the interesting perspectives its wonder to how architecture keeps changing and becoming more complex.