guardian.co.uk, Tuesday 28 September 2010 11.00 BST

The Aysén region of Chilean Patagonia is threatened by a plan to build five dams on the Baker and the Pascua rivers – two of the wildest in the world. The Rapid Assessment Visual Expedition (Rave), an initiative of the International League of Conservation Photographers (ILCP), was set up to address the challenges of modern conservation, and it visited the area in February this year to assess what impact the dams would have on the surrounding area and its way of life.

The expedition team included the Pulitzer prize winner and National Geographic photographer Jack Dykinga, twice World Press winner and Prince's Rainforest Project award winner Daniel Beltra, award-winning filmmaker and photographer Jeff Foott and award-winning photographer Bridget Besaw

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