The builders stop work at sunset.

施工人员在日落时停止了工作。

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At a construction site, Guanshan, Xiongchu Street, Wuchang, 5:00 p. m. yesterday, builders went back to work after the Spring Festival and found a burnt body on 14th floor.

昨日下午5时许，武昌雄楚大街关山段一在建楼盘，年后刚复工的施工人员在14楼发现一具已被烧焦的尸体。

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The Commerce Department said Wednesday that builders started work at a seasonally adjusted annual rate of 890, 000 homes last month.

NPR: US Housing Starts Dip But Remain At Solid Pace

It will also be tricky to find builders who can work well at such altitudes (few people can do hard manual labour where the air is so thin).

ECONOMIST: Beneath the Southern Cross I stand