It’s fair to say that our surroundings are a huge contributing factor to our mood. Some of us thrive off of the environment, after all, the world has some very beautiful places to offer. However, there are also plenty of not so nice looking areas. David Zinn has been creating artwork around Ann Arbor, Michigan since 1987. Not only does he do commercial work, but he also brightens the days of the public by leaving 3D chalk drawings in random places! Take a look at some examples below!