See construction workers pictures, photos of highway construction, pictures of construction machinery, concrete construction photos. These subjects make excellent photographic design pictures.
Baby Mechanic
© Kirk WynterRed, White and Black
© Mary AlstonMechanic's hands
© Mohammed A. Al-KharariThoughtful Contemplation of a Metal Wall
© Oscar J. PungFriend of the sky
© Usman M. BajwaMuuro-ki
© Lori Carlson