平屋顶基本上是单坡屋顶和单斜屋顶。
这个建筑有单坡屋顶，提供了朝北的光线和很高的空间。
The building has a shed roof, that provides northern light and very high Spaces.
把斗篷的两个对角系到树上，可以建一个单坡屋顶容身之处。
Another simple lean-to shelter can be made by tying two opposite corners of the poncho to trees.
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