![](http://www.alamy.com/thumbs/6/1098DCCF-9AD5-4D29-9011-3843EFFC2840/J4BR0A.jpg)
PSM V36 D494 Cantilever truss 3 of 4
Size: 3172px × 788px
Photo credit: © The History Collection / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ancient, art, book, bygone, copy, cover, drawing, editorial, historic, history, illustration, line, map, news, painting, photo, photograph, photography, space, stock, textbook, vintage