The Blue Lake is only a small lake in the New Zealand Alps, but has the clearest fresh water in the world. An optimal mirror surface for the spectacular landscape there! This puzzle is from the Alexander von Humboldt collection, a collection of puzzles celebrating the German Naturalist and world traveler who is regarded as the co-founder of Geography. The collection is a stellar group of majestic photography. Approximately 37.2 x 12.8 inches.