Business park project is located in Western Hills of Beijing. The main material are: Steel Road, teeth, gravel, white concrete, overflow pools.

项目位于北京西山创业园区，主要材质有：钢板道牙、砾石、白色混凝土、溢流池等。

youdao

In this desert region of flat-topped mountains, russet hills, gravel plains and swathes of scrubland, the black rhino are not tagged or tracked by satellite, nor are their movements restricted by the boundaries of a huge game reserve.

BBC: Saving rhinos in Namibia