pakistan karakoram k2 trekking gasherbrum

8611m aerial ama ascent asia baltoro blue cholates clear climbing cloud cold color day deboche destinations everest exploration gasherbrum glacier great healthy heli helicopter hiking himalaya himalayae hindukush hotal karakoram lake masherbrum mountains muztagh nanga nangapabat nangaparbat national pakistan panoramic parbat park peak people porter range ridge rise river sence smakarmatha snow summit sunrise sunset teahouse tent trango trekking view yak