solukhumbu, nepal, everest trek, porters are carrying extremely big load

altitude arakam are asia backpack base big camp carry carrying cholatse equipment everest extreme extremely hard heavy high hiking himalaya himalayan himalayas labor life load luggage man mountain national nature nepal nepalese nepali park path peak people person porter porters poverty sagarmatha sherpa solukhumbu stone tabuche third top traditional travel trek trekking tse view walking work worker world