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Keywords from Image Description:
roald amundsen lincoln ellsworth nylesund nylesund svalbard polferd leif omdal dietrichson hjalmar riiserlarsen riiserlarsen feucht horten osloamundsenellsworth osloamundsenellsworth polar flight roald amundsen roaldamundsen aviation aircraft airplane seaplane flying boat flyingboat dornier flugzeugwerke dornierflugzeugwerke dornier