Chinese roof greening picture

Quick answer：

Roof greening, also known as rooftop greening, refers to the process of covering the roof of a building with vegetation. It is a form of green infrastructure that provides numerous environmental, economic, and social benefits. In Chinese roof greening, plants are grown on the surface of a roof to improve air quality, reduce urban heat island effect, and provide additional green space in urban environments. The image of a Chinese roof greening typically shows various plants, such as grasses, herbs, and small trees, growing on a roof surface, often with a unique blend of traditional Chinese architectural elements and modern green technology.