majestic great aletsch glacier in swiss alps. valais, switzerland

aletsch glacier switzerland alp unesco curve arena clouds active great aletch swiss wilderness cloudscape moosfluch tranquil mountaineering popular travel destination tourist attraction landscape panorama valais high aletschgletscher scene glacial largest rocky world global unique peaceful length impressive flowing epic mount mountain range backpacking icy outstanding splendid discovering serenity spectacular floe winding turn majestic alps heritage site