Scaffolding has been erected around the tower.

的周围竖起了脚手架。

There is no heat for the subfreezing temperatures, and the bunks are planks of plywood attached to metal scaffolding.

他们睡在木板搭成的高低铺上，虽然北京的冬夜气在零度以下，但他们的工棚当然不会有暖气。