caucasian and sherpa men with backpacks with trekking poles together smiling enjoying mera peak climbing acclimatization walk

active adventure asian backpacker backpacking base camp climbing couple everest expedition friends friendship guide hike hiker hiking himalaya himalayas landscape laughing men mera peak mountain mountaineer mountaineering mountains nature nepal nepalese nepali outdoor people porter route sherpa smiling summit together trail travel travelling trekking poles two walking caucasian backpacks enjoying acclimatization walk makalu barun park backpackers beautiful valley view route