panoramic photo of the aletch glacier in the swiss alps. huge blocks of dirty ice against the backdrop of the mountains olmenhorn

active activity adventure aletsch arena glacier alpine alps background backpack beautiful clouds europe explore extreme green guide high hike hiker hiking journey landscape male mountain mountains nature outdoor panorama path peak people rucksack scenery scenic sky snow summer swiss switzerland tourism tourist trail travel trekking vacation valley view walking panoramic aletch huge blocks dirty ice backdrop olmenhorn gaeisshorn idelic alps