Dos excursionistas subiendo a Planauer Hut en el soleado día de verano. Zillertal Alps, Austria - Foto e imágenes de stock

Two hikers ascending Planauer Hut on sunny summer day. Zillertal Alps, Austria

Grande Casse Alpine glacier landscape in Pralognan la Vanoise. French alps.

Beautiful mountain landscape with views of the Matterhorn peak in Zermatt, Switzerland.

Beautiful mountain landscape with views of the Matterhorn peak in Zermatt, Switzerland.

Summer alpine peaks with melting glacier on sunny day. Reichenspitze ridge in Zillertal Alps, Austria

Back view of tourist resting on mountain peak, Alps, France

Mountain glacier in Austrian Alps. Schlaten Glacier, German: Schlatenkees, in Venediger Group, Hohe Tauern National Park, East Tyrol, Austria

Summer alpine peaks with melting glacier on sunny day. Reichenspitze ridge in Zillertal Alps, Austria

Summer alpine peaks with melting glacier on sunny day. Reichenspitze ridge in Zillertal Alps, Austria

Marmolada - the highest mountain of the Dolomites, summit Punta Penia 3343 m, Italy

Old Prague Hut, German: Alte Prager Hutte. Small stone tourist house southeast of Grossvenediger, Hohe Tauern National Park, East Tyrol, Austria

Summit metal cross on the top of Richterspitze Mountain, Zillertal Alps, Austria

Mountain glacier in Austrian Alps. Schlaten Glacier, German: Schlatenkees, in Venediger Group, Hohe Tauern National Park, East Tyrol, Austria

Mountain landscape with cottongrass meadow and Schlatenkees glacier on background. Hohe Zaun in Venediger Group, Hohe Tauern National Park, East Tyrol, Austria