“城墙上面,平均宽度约十米以上,可以砌花池,夏季黄昏,可供数十万人纳凉游息。城楼角楼等可以辟为阅览室、茶点铺。”北京的古老城墙未被拆除前,梁思成心心念念要护着,描述了一座城墙上的立体公园,可惜留待至今仍未实现。布局建造一座城,并非是白纸上作画,无可避免会带来另一种破坏,日渐负面的生态效应使城中人开始思考建筑物的空间潜能,屋顶造园渐成风尚。在上海俯瞰一片灰暗水泥中的绿意,虽稀落却也喜人,多植一座绿岛,城市会否有更多可能? “The wall above the average width of about ten meters above, you can spend pool, summer dusk, for hundreds of thousands of people enjoy the cool breath. Turret and other buildings can be turned into reading room, refreshments shop.” "The ancient city walls in Beijing have not been demolished In the past, Liang Sicheng remembered that he wanted to protect and described a three-dimensional park on a city wall. Unfortunately, it has not yet been realized. The layout and construction of a city is not a painting on white paper. It inevitably brings about another kind of destruction. The increasingly negative ecological effects make the people in the city start to think about the space potential of a building and the roof garden becomes a trend. Overlooking the greenery of a dingy cement in Shanghai, though gratifying, is also gratifying. Planted a Green Island more to see if the city has more possibilities?