Even though Roman concrete lasted a long time, it could not hold up heavy buildings.

即使罗马混凝土经久耐用，但它也无法支撑起沉重的建筑物。

Too much ground water has been removed while heavy buildings have been built in many places.

该城市靠近大海，有13条污染严重的河流流经该城市。在许多地方建造重型建筑时，大量的地下水被抽走。

For most of architectural history, heavy building materials made it difficult for tall buildings to support their own weight.

在建筑史上的大部分时间里，沉重的建筑材料使高层建筑难以支撑自身重量。