Sunset at Eshaness basalt cliffs, with Moo Stack on left, and deeply eroded coast with caves, blowholes and stacks, Northmavine, Shetland Islands, Scotland, United Kingdom, Europe

Eshaness basalt cliffs, Calder's Geo, ancient volcanic crater, coast deeply eroded with caves, blowholes and stacks, Northmavine, Shetland Islands, Scotland, United Kingdom, Europe

Eshaness basalt cliffs, deeply eroded with caves, blowholes and stacks, Northmavine, Shetland Islands, Scotland, United Kingdom, Europe

Deeply blue iceberg calved from the LeConte Glacier just outside Petersburg, Southeast Alaska, USA. Pacific Ocean.

Deeply snow-covered scene with fir trees at Schildenstein with backcountry skier in backlight, Bavarian alps, Tegernsee, Upper Bavaria, Bavaria, Germany

Deeply snow covered alpine hut with winter forest, Gosau, Dachstein range, Upper Austria, Austria

Deeply snow-covered scene with fir trees at Schildenstein with Karwendel range in background, Bavarian alps, Tegernsee, Upper Bavaria, Bavaria, Germany

Deeply snow-covered scene with fir trees at Schildenstein with Rofan range in background, Bavarian alps, Tegernsee, Upper Bavaria, Bavaria, Germany

deeply snow covered fir trees, view towards Tyrol, Chiemgau, Upper Bavaria, Bavaria, Germany

Godafoss Waterfall, Iceland, Atlantic Ocean

Rainbow over Skogafoss Waterfall, Iceland, Atlantic Ocean

Godafoss Waterfall, Iceland, Atlantic Ocean

Rainbow over Skogafoss Waterfall, Iceland, Atlantic Ocean

Rainbow over Skogafoss Waterfall, Iceland, Atlantic Ocean

Helicopter over Iguazu Falls, UNESCO World Heritage Site, Argentina, South America

Viennese climber Geri Winkler on a ladder overcoming a crevasse of Khumbu Icefall, ca.5600 m, Mount Everest, Himalaya, Nepal

View from the Brocken mountain over a winter landscape deeply covered in snow at sunset and the Harzer Schmalspurbahn, narrow-gauge railway with steam engine, Saxony-Anhalt, Germany

View from the Brocken mountain over a winter landscape deeply covered in snow, sunset, Saxony-Anhalt, Germany

View from the Brocken mountain over a winter landscape deeply covered in snow, Saxony-Anhalt, Germany

Lobby, Grand-Hyatt, Jin-Mao-Tower, Shanghai, China, Asia

Light-coloured ortho gneiss, metamorphic rock, which has been deeply cut by the Verzasca River near Lavertezzo, Valle Verzasca, Ticino, Switzerland, Europe

Queswachaka suspension bridge made from plant fibers, Ichu grass, over the Apurimac, Southern Peru, South America

Old stone wall and the lake, England's deepest lake, lake Wastwater, lake Wast Water, Wasdale Valley, Lake District National Park, Cumbria, England, United Kingdom, Europe

Queswachaka suspension bridge made from plant fibers, Ichu grass, over the Apurimac, Southern Peru, South America

Dettifoss Waterfall, Iceland, Atlantic Ocean

Iguazu Falls, UNESCO World Heritage Site, Argentina, South America

Circular staircase

View from the Brocken mountain over a winter landscape deeply covered in snow, Saxony-Anhalt, Germany

View from the Brocken mountain over a winter landscape deeply covered in snow, sunset, Saxony-Anhalt, Germany

View from the Brocken mountain over a winter landscape deeply covered in snow, sunset, Saxony-Anhalt, Germany

Twinkling sun and landscape deeply covered in snow, Sella Pass in winter, Bolzano-Bozen, Italy, Europe

Village/town signs fixed on poles in front of the station/ Making and putting up a sign indicating the direction of one's home is a deeply rooted tradition in the stations. Concordia Antarctic Research Station, Dome C plateau, East Antarctica.