Stock photography, photos: being built Stock photos of skeletal frame of a partially constructed building against blue sky Photograph: © Choon Boon Ng Click for a larger image and more information Keywords associated with this stock photo: frame,framework,construct,construction,building,skeleton,skeletal,bars,rods,metal,iron,steel,strength,strong,stable,stability,structure,structural,support,truss,industry,mechanic,development,civil,engineering,architecture,blue,sky