With his safety belt fastened tightly, Bao Guoqi, decked out in light-blue work clothes, orange safety helmet, insulated shoes and protective gloves, stands on the 60-meter-tall scaffold carefully...
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With his safety belt fastened tightly, Bao Guoqi, decked out in light-blue work clothes, orange safety helmet, insulated shoes and protective gloves, stands on the 60-meter-tall scaffold carefully...