Hydromedusa in Antarctica

Hydromedusa in Antarctica

Photograph by Ingo Arndt, Minden Pictures

A hydromedusa spreads its luminescent tentacles in the Weddell Sea near Antarctica.

Fuente: http://photography.nationalgeographic.com/

Four Demons

Four Demons with a Book

Luca Signorelli  1450-1523

Black pencil, 335 x 284 mm
The Morgan Library and Museum, N. Y.

Fuente: http://www.wga.hu/