Half an hour later two groups under the guidance of Uncle Kolya and Noel Hanna went on acclimatization to the advanced base camp. All these things have to move to a height of 6400 m.            

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Half an hour later two groups under the guidance of Uncle Kolya and Noel Hanna went on acclimatization to the advanced base camp.

All these things have to move to a height of 6400 m.