Roof rainwater garden works

Quick answer：

A roof rainwater garden is a green infrastructure feature designed to capture and manage rainwater on the roof of a building. It typically includes plants, soil, and a drainage system that helps filter and retain water, reducing stormwater runoff and providing potential benefits such as biodiversity enhancement, urban cooling, and stormwater treatment. The 'works' in the term likely refers to a collection or a set of such gardens that have been implemented, showcasing the design and functionality of this type of sustainable urban feature.