Images

A Supermarine Spitfire at the Season Premiere Airshow in 2018. The Spitfire was first built for use by the RAF in the 1930s and was a crucial fighter in the Battle of Britain in the summer of 1940.

Photograph of Sintegaleska (Spotted Tail), Sichangu Lakota Chief, wearing a scarf, jacket, and blanket. Original image photographed by C.M. Bell, 1880-1889. Photoprint cropped; printed by D.F. Barry at later date. Denver Public Library...

A Junkers Ju 88 bomber and its crew. The aircraft was flown by the German Luftwaffe during the Second World War (1939-45). Photograph taken in June 1942. (German Federal Archives)

The rear cockpit machine guns of a Junkers Ju 88 bomber. The aircraft was flown by the German Luftwaffe during the Second World War (1939-45).

The Aschersleben factory of Junkers Ju 88 bombers. The aircraft was flown by the German Luftwaffe during the Second World War (1939-45). (German Federal Archives)

A diagram showing the interior components of a Junkers Ju 88 bomber, flown by the German Luftwaffe during the Second World War (1939-45). UK Air Ministry poster of 1941.

A Junkers Ju 88 bomber photographed in North Africa during the Second World War (1939-45). (German Federal Archives)

Plato's Academy, Roman mosaic from Pompeii, 1st century BCE. Museo Nazionale Archologico, Naples.

Muskrat swimming in the Rideau River, Ottawa, Ontario. Photograph by D. Gordon E. Robertson.

Yankton Sioux activist and writer Zitkála-Šá (l. 1876-1938), photographed by Gertrude Käsebier in 1898. National Museum of American History, Washington D.C.