this image...

...has left a scar in my mind.

Yves Klein (French, 1928–1962) and Harry Shunk (German, b. Italy, 1924–2006)
Leap into the Void, 1960
Gelatin silver print; 10 3/16 x 7 7/8 in. (25.9 x 20 cm)

(from the exhibition, The Lens and the Mirror at the MET)