Clockwise from top left:
Fingerprint | Tree-rings [source] | Contour lines of a mountain | Detail of a painting by aboriginal artist Warlimpirrnga Tjapaltjarri (see also here). To read on hover the cursor over the images. Click thumbs to enlarge.
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update: 19 October 2017
apropos Fingerprints and Tree-rings:
Found Giuseppe Penone’s La mano affondo nel tronco dell' albero,
1968 - 1974, at Museum Boijmans Van Beuningen, Rotterdam (Sept 2017)
See also: Spazio di Luce
