click image to enlarge

1888-1891. View from the Pyramid Temple: well preserved "Arch" at left, collapsed sacbé across foregound, collapsed residential group beyond.       
1888-1891 photograph by Henry N. Sweet as a member of the Thompson/Peabody expedition; scanned from 35mm slide of original photograph at Dumbarton Oaks. Reproduced Courtesy of the Peabody Museum of Archaeology and Ethnology, Harvard University.