I had never seen this brilliant trompe l’oeil mural by artist Richard Haas on Chestnut Street in Philadelphia until we happened by it last week. I love it, not just because the deception is so effective, but mostly because the space it suggests is so inviting. I really wanted to walk right into it because it seemed so spacious, clean and bright. Rather more appealing than the city around it, to be honest. Illusion can be like that, and it’s OK to visit–just take care you don’t try to live there.