An American Indian Movement (AIM) flag flies at Wounded Knee, South Dakota, 1998. AIM members adopted the upside-down US flag, a signal of distress, as a symbol of their movement. Photograph by Jon Lurie, 1998. Used with the permission of Jon Lurie.
Picket line at the Twin Cities Army Ammunition Plant (TCAAP) blocking Gate #4. Photograph by H. W. Holmberg, August 8, 1967. Twin Cities Army Ammunition Plant files, box 143.E.17.3B.
Shrine head, between the twelfth and fourteenth centuries. This is a memorial portrait head from the royal city of Ife in western Nigeria, a center of power from 1100 to 1400. Ife artists made heads in bronze and terra-cotta that were part of complete figures or, as here, freestanding. Creative Commons Public Domain 1.0.