The monumental arch at sunset, Palmyra, Syria, 17 October 1921, (Autochrome, 9 x 12 cm),
Frédéric Gadmer, Département des Hauts-de-Seine, musée Albert-Kahn, Archives de la Planète, A 29 690 S

Département des Hauts-de-Seine,
Portico of the Central Colonnade at nightfall, Palmyra, Syria