http://agathe.gr/overview/the_altar_of_zeus_and_statue_of_hadrian.html
The Altar of Zeus The Agora Excavations began with the aim of revealing the monuments and history of the ancient Agora. Of course, every artifact or feature that was exposed held importance, but when something ... On July 23, 1931, the excavator filled five pages of his notebook describing a significant discovery of the first excavation season: "A large structure once covered a large part of [the] area, it was almost certainly an Altar." ... The altar was later identified as the Altar of Zeus Agoraios, an important ancient monument believed to have been erected first on the Pnyx in the 4th century B.C. and later dismantled and re-erected at the turn of the millenium in its present location. ... Lifting the statue to an upright position Cleaning and preparing to photograph the statue The first formal photographic portrait of the statue of Hadrian