Art Forms in Nature 4 , by karl blossfeldt , 1928 , photo , Documentary photography style , from the series Urformen der Kunst (Art Forms in Nature)
A black and white photo of a metal ring.
 a black and white photograph of a ring. The ring appears to be made of metal and has ridges and grooves along its circumference. It has a hole in the center that is surrounded by smaller holes. The edges of the ring appear to be smooth and polished. The background of the image is dark grey.