A staff member carries plants which are to be grown on roof-gardens in a community in Taiyuan, May 12. To beatify the environment and add greenery, the community has been constructing roof-gardens on five-story buildings. The construction of the gardens will be completed in August. [Photo/sxrb.com]

An aerial view of a roof-garden under construction in Taiyuan, capital of Shanxi province, May 12 [Photo/sxrb.com]