The roof of the terrace seems to be supported by the same fragile structure.
露台的屋顶的支撑也用了同样纤巧的结构。
2
The roofstructure is supported by a wood en system of brackets are connected by mortise and tendon joints and not a single nail is used for connection.
着种斗拱结构造工精致，不用一根钉子，完全采用榫头，榫槽相互衔接。
3
The area's roof shall be of the type required by the installation site conditions and shall be supported by a metallic structure;