The winners of this year's World Architecture Festival Awards have been announced. More than 300 new building projects competed across 33 categories during the three-day festival, with the winners of each vying for the World Building of the Year award. The top prize has has been given to Wilkinson Eyre Architects for the design of Singapore's Cooled Conservatories, which is part of the Gardens by the Bay development. The 250-acre project forms a flagship role in the government's vision to transform Singapore into a "city in a garden". It features three waterfront gardens and a lattice-roofed "flower dome" (pictured).