What is the hardest mountain to climb in the Hindu Kush? - Quora
Are there any mountains that are harder than Mount Everest to climb? - Quora
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Are there any mountains that are harder than Mount Everest to climb? - Quora
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Outside of the famed 8000m peaks (K2, Annapurna, etc.), what other mountains are considered extremely difficult to climb? - Quora
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