By Piet Killaars
Steel gone full whirlpool! 'Spiraal II' twists interlocking curved plates into a stainless-steel vortex — pure postwar constructivist muscle, like Richard Serra learned to tie a knot.
Source: OpenStreetMap contributors, photo via Wikimedia Commons.
Street Gallery is a free map of street art, street food and live performances, shared by the people who found them first.
