There are a lot of tellurium minerals in them, such as petzite, calaverite, hessite, altaite, tellurbismuth, rucklidgeite and sylvan.The grade of some section of ore body is up to industrial grade.
The silk cotton tree Bombax ceiba' kapok flower is this harbour of common deciduous trees of urban area, originate in the tropical area of Asia , can be up to 30 meters.
Spring of Hong Kong/木棉树 Bombax ceiba`木棉花是本港市区常见落叶树,原产亚洲热带地区,可高达30米。