Location: Tikal, Guatemala | Caption: Constructing roof over trench to protect Structure 5D-Sub.1 (between 5D-22 and 5D-26), Op. 12G, looking east on the North Acropolis, April 22, 1960. | Category: History, North Acropolis | ByLine: Bernard Golden | Credit: Bernard Golden, University of Pennsylvania Tikal Project Negative 60-25-269, All rights reserved. University of Pennsylvania Museum. | Source: 2 1/4 x 2 1/4 Black & White Negative | High Resolution: 1200 x 1196 | |
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