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Keywords from Image Description:
Haeckel . Krater des Vulkan Papandajan Schwefelfelsen und kochende Quellen Ernst Haeckels Wanderbilder Die Naturwunder der Tropenwelt Ceylon und Insulinde GeraUntermhaus Koehler'sche Verlagsbuchhandlung creator Ernst Haeckel Author died more than years ago public domain PDold Mount Papandayan Lithographs by Ernst Haeckel Volcanoes