lots of icebergs floating on the surface of tasman lake in the mount cook national park

snow mountain water rock ice sky nature glacier landscape slope winter cloud outdoors sunlight range iceberg hill valley lake stream melting cumulus ocean coast tundra person outdoor highland rocky scenery natural man travel cap hike adventure cook national park gtasman alpine glacial southern alps formation tourist destination tourism trek global warmoing climate change warming group icebergs floating surface tasman mount lots