A woman walks past a sculpture by Stefano Pierotti titled "Berluscrotto," representing the face of former Italian Prime Minister Silvio Berlusconi, in Pietrasanta, Italy.

Visitors walk through the recently inaugurated sculpture, "Tiger & Turtle - Magic Mountain," by German artists Heike Mutter and Ulrich Genth. The sculpture, in Duisburg, is 59 feet tall and alludes to the form of a roller coaster.

Artist Kaya Mar puts the finishing touches on a painting of the Occupy London Stock protest camp outside St. Paul's Cathedral in London.