Published August 23, 2011 at 500 × 375 in Metal channels the width of a bike tire on the S-Train in Copenhagen. photo by Peter Rukavina, via Flickr‘Metal channels the width of a bike tire on the S-Train in Copenhagen. photo by Peter Rukavina, via Flickr’ Metal channels the width of a bike tire on the S-Train in Copenhagen. photo by Peter Rukavina, via Flickr Like this:Like Loading... ‹ Back