Not my memory : When I was a kid and a store went out of business, it's windows were whitewashed like this for privacy of the empty space. Even though this pin is a painting, it immediately brought to mind this memory.
This is a stunning piece of architecture, The Shanghai UK Pavilion. Designed by Heatherwick Studio for the Shanghai expo. The building tentacles consist seeds from all over the world, creating a a relationship between nature and the urban city