British designer Thomas Heatherwick's practice Heatherwick Studio has unveiled design for a pair of residential towers in Vancouver, and once complete, it is will be the first high-rise project of the studio in Canada. Featuring a curvaceous form and distinguished with vertical strips throughout the towers, the first six floors of the towers are narrowed like a ribbon form and the residential program is placed on the upper floors of the buildings. The upper floors, reaching at 22 levels, will follow the same form of zig-zagged terraces which are divided with vertical wooden strips.