The street trees have really four jobs to do and that's it: To spatially denote the pedestrian realm, to protect the pedestrians from the vehicles in the carriageway, to filter the sunlight onto the sidewalk, and to soften the hardscape of the buildings and to create a ceiling -- a vaulted ceiling -- over the street, at its best.
街路樹の本当の役割は次の四つだ 歩行者の領域を空間的に示すこと 歩行者を車道の車から守ること 木漏れ日を歩道に落とすこと そして建物の威圧感を和らげることだ アーチ状の天井になっているのが一番良い