HomepageMartin LehmannPopular puzzles created by Martin Lehmann Popular puzzles created by Martin Lehmann 117Panorama of Porto on river Duero (Portugal)Martin Lehmannsolved 2,486 timesSolve puzzle66Dom Luís I Bridge in Porto (Portugal)Martin Lehmannsolved 2,115 timesSolve puzzle140Panorama of Porto (Portugal)Martin Lehmannsolved 1,539 timesSolve puzzle108Utrecht - the view from the Dom Tower (Netherlands)Martin Lehmannsolved 980 timesSolve puzzle