Small-scale rooftop greenery in reality

Quick answer：

Small-scale rooftop greenery refers to the practice of creating green spaces on the roofs of buildings, typically for aesthetic or environmental purposes. It involves planting vegetation on a limited area of the roof, which can improve air quality, reduce urban heat islands, and provide additional insulation. This concept is part of the broader field of urban green infrastructure, aiming to enhance the sustainability and livability of cities.