Concrete trees? Yes, please! This pavilion in Jinhau---part of a park consisting of 17 different follies and curated by Ai Weiwei---abstracts the figure of a tree, translating the branches and flora into flat, curvilinear ("organic") concrete panels. These panels spring from a concrete "trunk" and branch out radially in a circular form. They are spaced several feet apart so as to create pockets of space in which to take shelter or socialize. See more of this project in the Architizer database here.