The J. Paul Getty Museum
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The J. Paul Getty Museum: image dedicated to the public domain under Creative Commons Zero (CC0), stated on the media record itself ('Rights for Media'), with download clearance.
Felice Beato. Carved Tomb at the Depot near Pekin, the place Where the Guns and Ammunition Were Left When the Army Marched to Pekin, negative October 3-5, 1860; print 1862. The J. Paul Getty Museum.