Wikimedia Public Domain – 120722 – 1200px-Emergency_hospital_during_Influenza_epidemic,_Camp_Funston,_Kansas_-_NCP_1603a

A hospital in Kansas during the Spanish flu epidemic in 1918.
Wikimedia Public Domain

Wikimedia Public Domain 120722.,_Camp_Funston,_Kansas_-_NCP_1603.jpg. This work is in the public domain in its country of origin and other countries and areas where the copyright term is the author’s life plus 100 years or fewer.