Keywords: Nāhuku.jpg en Group walking through Nāhuku - Thurston Lava Tube http //www nps gov/media/photo/gallery htm id 10A167DE-155D-4519-3E462FB38C445DD8 Michael Szoenyi 2012-07-08 13 20 These photos are public domain Please use credits listed under photos http //www nps gov/havo/learn/photosmultimedia/index htm Michael Szoenyi Thurston Lava Tube |