Hand-drawn roof greening in China and Japan

Quick answer：

Roof greening in China and Japan involves the use of greenery on the rooftops of buildings to improve the environment. In China, there is a growing trend towards green roofs in urban areas as part of sustainable development initiatives. In Japan, the practice is also becoming popular, particularly in Tokyo, to enhance the city's green space and mitigate the urban heat island effect. Hand-drawn illustrations of these roof greening projects can help visualize the greenery and design elements of these urban landscapes.