g.googlehupf: 1...berlin blue
g.googlehupf: 2...berlin red
g.googlehupf: 3...changi
g.googlehupf: 4...expo australia
g.googlehupf: 5...leipzig
g.googlehupf: 6...nationalgalerie
g.googlehupf: 7...øieblikket
g.googlehupf: Berlin
g.googlehupf: Berlin Kreuzberg
g.googlehupf: Berlin Oberbaumbrücke