Italian street artist Caiffa Cosimo, also known as Cheone, creates eye-catching street art featuring optical illusions. The larger-than-life paintings cleverly interact with their surrounding environment in an amusing and mischievous way.
San Francisco’s Mosaic Staircase. Hidden art gem in San Francisco; head to and Moraga to discover The Avenue Tiled Steps. Not only will you be able to see some amazing views of the city, you'll get to appreciate a beautiful mosaic running up 163 steps.