尼加拉瓜的一位土木工程师已经联系了加利普，这位工程师想在重型设备无法到达的地方建造由混凝土拱架支撑的土坯屋顶。
Gharib has already been contacted by a civil engineer in Nicaragua, who wants to put up buildings with adobe roofs supported by concrete arches on a site that heavy equipment can't reach.
在屋顶上，Michael俯视着他们的行动，一架直升机飞过，他蹲伏在一个排气口处以免被发现。
On the roof, overlooking the activity, Michael crouches behind an exhaust vent to stay hidden from the helicopter.
他们搭设了植物蔬菜架，并且铺平了部分屋顶，使人们可以轻松地在屋顶上步行和种植。
They built planters and paved part of the roof so people can walk easily among the plantings.
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