Red Cross - Glass negative photogrpah. Public domain.

Photograph shows Armenians with the flag they used to signal for help after their resistance on Musa Dagh, Turkey during the Armenian Genocide. Photograph probably taken after their arrival at Port Said, Egypt, September 1915. (Source: similar image from Project SAVE Armenian Photograph Archives at: https://www.facinghistory.org/sites/default/files/Taking_a_Stand.pdf )