Close up of stacked red painted steel construction beam end plates with central bolt holes arranged in rows at a building site 免版税库存图片 close up of stacked red painted steel construction beam end plates with central bolt holes arranged in rows at a building site
Building under construction with scaffolding and concrete frame structure multi story red floors exposed structural urban 图库摄影 building under construction with scaffolding and concrete frame structure multi story red floors exposed structural urban
Busy construction site showing scaffolding wooden ladders concrete formwork rebar and building materials multi level structure 免版税库存照片 busy construction site showing scaffolding wooden ladders concrete formwork rebar and building materials multi level structure
Multi level scaffolding on building under construction against blue sky multi level metal scaffolding with wooden planks and red 库存照片 multi level scaffolding on building under construction against blue sky multi level metal scaffolding with wooden planks and red
Multi story building under construction with scaffolding against cloudy sky commercial extensive metal concrete frame and exposed 库存图片 multi story building under construction with scaffolding against cloudy sky commercial extensive metal concrete frame and exposed