Hu Pao-lin, professor of applied arts at Vienna University, points out that when the wind blows against high buildings there will of course be some movement. After it goes over the roof, it blows onto the back of the building.
維也納國立實用藝術大學教授胡寶林指出，風吹向高樓時，自然朝上流動，然後越過樓頂，吹到樓房背面。