With kayaks and two rafts down the Grand Canyon: A dream come true, the best challenging waters - said some. Murky waters, muddy camping with rattle snakes in a cell phone free zone without warm showers - said others. Norbert Blank - photographer, chief guide and organizer of the adventure paddles down the Colorado River with 28 guests and guides.

Graham Zimmerman leading the technical crux of the SW ridge of K6 W (photo credit Scott Bennett)

Graham Zimmerman: first ascents in the pakistani karakoram

05/21/2015
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With support from the National Geographic Global Exploration Fund and numerous sponsors, Martin Edström and his team mounted a successful expedition to Hang Son Doong in Vietnam in early 2015. The result was a next-generation digital reportage, covering large parts of the cave in 360° images and audio. This interactive and immersive experience lets you explore the cave for yourself.

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