Jorg Verhoeven and Katha Saurwein visit the Grampian Mountains of Australia to sample the best bouldering and sport climbs in the world. As part of the Grampians "BIG 4", Jorg climbs the classic bouldering test piece "Ammagamma" (V13) and ticks one more #lifelist box.

For more clips and information see Marmot/Australia.
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