Cases of vertical greening in Berlin

Quick answer：

Vertical greening in Berlin refers to the practice of planting vegetation on vertical surfaces like walls, roofs, and other structures. It is a form of sustainable urban development that aims to improve air quality, reduce urban heat island effect, and enhance biodiversity. Berlin has several notable examples of vertical greening, including the Grosser Stern with its green-covered skyscrapers, the East Side Gallery with its living wall, and the Federal Foreign Office building, which features a green facade.