The roof is formed of corrugated metal sheet, and the exterior walls are formed of aluminium-framed double glazing, fixed and moving.
屋顶由波纹金属板构成，外墙结构由定制的具有双层玻璃的铝制外框构成，可固定也可移动。
2
The base of the structure is covered by a huge sheet of aluminium printed with a black and white image of trees, helping to camouflage it within the forest.
建筑的基础覆盖了印着黑白色的树木图案的巨大铝板，有助于其在森林里的伪装。
3
Meanwhile, the difference in thermal conductivity of underlining materials (plastic sheet, steel sheet and aluminium plate) has little effect on the etching rate.