Roof garden photo

Quick answer：

Roof garden refers to the greenery on the roof of a building, which serves not only as an aesthetic element but also as a means to improve the energy efficiency of the structure. It involves various plants and horticultural techniques adapted to the specific conditions of the roof environment. Roof gardens can be found in both residential and commercial buildings, and they provide numerous benefits such as reducing urban heat island effect, improving air quality, and creating additional green spaces in urban areas.