Architecture, Building and Structure Design Wenjiang Shouan Flower Exhibition Center by Yun Lu Wenjiang Shouan is a flower exhibition center built in Minjiang village, Shouan town, Chengdu, Sichuan Province, China. The building brings together a flower planting exhibition area, a business conference center, a township training center and a sales space for local products. The roof follows the traditional form of Sichuan folk houses and is made of blue tiles and a local timber structure. A free spiral line fills the irregular triangular site and is stretched vertically to shape the interior. Skylights and scattered facade openings bring natural light inside.