peeling patterns

The new banner picture fits my occasional series "Things I like the look/design of," as I like the patterns and textures revealed when paint, plaster, or other surface coatings come off. As for instance, on the walls of houses in Venice, where the water eats away all attempts at covering up the bricks.

In this case it's from a tree though - I think it's a plane, and I think it shed its bark naturally. But no guarantee, as I don't know much about biology above the cellular level ...