Leon Keer's amazing 3D sidewalk art

Dutch painter Leon Keer is one of the world's most tireless practitioners of 3D anamorphic street art. His paintings have graced pavements from Abu Dhabi to Sarasota, from Singapore to San Diego. Check out this slideshow of some of his most eye-popping recent efforts, including ‘behind-the-scenes’ images of the art coming together. More of Keer’s work can be found at his website, Streetpainting 3D.