Labourers sit in cement pipes near residential buildings at a construction site in Wuhan, Hubei province. Mainland media have estimated the entire pipeline project across the nation could cost 1 trillion yuan a year. Photo: Reuters

Labourers sit in cement pipes near residential buildings at a construction site in Wuhan, Hubei province. Mainland media have estimated the entire pipeline project across the nation could cost 1 trillion yuan a year. Photo: Reuters
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