high angle wide shot construction workers building on the dawn male hospital site / beijing, china - 工事点の映像素材/bロール
workers remove soil from around the post holes of an ancient building in the makimuku ruins in nara, japan. - 工事点の映像素材/bロール
ms four construction workers moving tube that pours cement / shenzhen, guangdong, china - 工事点の映像素材/bロール