1000scientists:

Triad, 2002Donata Wenders 
blue-voids:

Yoko Ono - Endangered Species, 1992
arpeggia:

Joseba Eskubi - S/T, mixed media, 2010 | More
nevver:

Mirror mirror
2headedsnake:

Eleni Pratsi
untitled, ball point pen
josephloughborough:

Ian Hodgson