High-rise building roof greenery reality

Quick answer：

High-rise building roof greening refers to the practice of planting vegetation on the roofs of tall buildings. This can include various types of plants such as herbs, flowers, and even small trees. Roof greening offers multiple benefits, including reducing urban heat islands, improving air quality, and providing additional green space in urban environments. It also helps in water conservation and can contribute to the aesthetic value of the building and its surroundings.