A woman looks at the painting Utopia: Time Cast as a Voyage by U.S. artist and architect Paul Laffoley at Hamburger Bahnhof exhibition hall in Berlin, November 16, 2011.[Photo/Agencies]

A woman looks at the painting `The Omega Point` by U.S. artist and architect Paul Laffoley at Hamburger Bahnhof exhibition hall in Berlin, November 16, 2011.[Photo/Agencies]

A man looks at the painting `The World Self` by U.S. artist and architect Paul Laffoley at Hamburger Bahnhof exhibition hall in Berlin, November 16, 2011.[Photo/Agencies]