Aerial view of a frozen lake in the Apuan Alps during a winter morning. Tuscany, Italy.

Pania Secca and Pania della Croce from the Apuan Alps mountain range. Tuscany, Italy.

Lonely tree in the middle of the fields of Val d'Orcia, Tuscany, Italy.

Fagradalsfjall volcano eruption. Geldingaldalir, Reykjanes Peninsula, Iceland.

Bixby Creek Bridge, Monterey, Big Sur, California, USA

Coastal Landscape near Bixby Creek Bridge, Monterey, Big Sur, California, USA

Watchman Mountain (1998m) and Virgin River, Zion National Park; Colorado Plateau; Utah; USA

View from Inspiration Point, Bryce Canyon National Park, Colorado Plateau, Utah, USA

Waterpocket Fold rock formation, Capitol Reef National Park, Utah, USA

Supertrees and Marina Bay Sands, Gardens by the Bay, Singapore City, Singapore

Loop of river Saar, Saarschleife, Orscholz, Saarland, Germany

Surfer at Playa Santa Teresa at sunset, Peninsula de Nicoya, Guanacaste, Costa Rica, Latin America

Path through beech forest with blooming wild garlic (Allium ursinum), Hainich National Park, Thuringia, Germany, Europe

Boardwalk in the Black Moor flooded with light, Bavarian Rhoen, UNESCO Biosphere Reserve Rhoen, Bavaria, Dreilaendereck- Hessen, Thuringia, Bavaria, Germany

Colorful vineyards in autumn , Landau, Southern Wine route, South Palatine, Rhineland-Palatine, Germany ,

View of the Palatinate Forest from Wegelnburg Castle, Nature Reserve, Palatinate, Palatinate Forest, Rhineland-Palatinate, Germany, Europe

Gran Sasso National park stunning landscape near Campo Imperatore. Gran Sasso National Park, L'Aquila province, Abruzzo, Italy.

Sunset in Rocca Calascio, an ancient building on the top of a mountain, Gran Sasso National Park, L'Aquila province, Abruzzo, Italy.

Sunset in Rocca Calascio, an ancient building on the top of a mountain, Gran Sasso National Park, L'Aquila province, Abruzzo, Italy.

Epic autumn sunset in fisherman village of Manarola, National Park of Cinque Terre, UNESCO World Heritage Site, municipality of Riomaggiore, La Spezia province, Liguria district, Italy, Europe

Crazy shape in a frozen alpine lake at sunrise with view on Mount Disgrazia. Valmalenco, Valtellina, Lombardy, Italy

Sunlight-flooded birch forest in blooming heathland (Calluna vulgaris), Reicherskreuzer Heide, Schlaubetal Nature Reserve, Brandenburg, Germany

Moritzburg Castle, water reflection in the lake, Saxony, Germany, Europe

View of the Hoellenhund and gans rocks in the Elbe Sandstone Mountains, Saxon Switzerland National Park, Saxony, Germany, Europe

View of the Gans rocks in the Elbe Sandstone Mountains, Saxon Switzerland National Park, Saxony, Germany, Europe

Rousseau Island in the Woerlitzer Park, Dessau-Woerlitzer Gardenreich, World Heritage Site, Saxony-Anhalt, Germany

Sunlight-flooded tree in blooming heathland (Calluna vulgaris) in the Lueneburg Heath in Lower Saxony, Germany

Natural beech forest in autumn, Saxony, Germany, Europe

Moritzburg Castle, water reflection in the lake, Saxony, Germany, Europe

Lukachukai desert sand dunes in northern Arizona

A couple of travellers reflected in the waters of the Uyuni salt flat at twilight, Bolivia.

Raven (Corvus corax) in flight over snow, Hokkaido, Japan

Castle and Vineyards in autumn, Castelvetro di Modena, Italy

Mountain impression Taranaki (Mount Egmont) - New Zealand, North Island, Taranaki, New Plymouth, Lake Mangamahoe

Hippo family, Moremi Game Reserve, Okavango Delta, Botswana

Frozen Lake Silvaplana at sunrise during the cold winter, Maloja, Engadine, Graubunden canton, Switzerland

Dream sunset during a storm over the village of Manarola, Cinque Terre National Park, municipality of Riomaggiore, La Spezia province, Liguria district, Italy, Europe

Aerial view of wild torrent in autumn. Val Bodengo(Bodengo valley), Valchiavenna, Valtellina, Lombardy, Italy, Europe.

Aerial view of foggy sunset. Valtellina, Lombardy, Italy, Europe

Old town of Chur in autumn. Chur, Canton of Graubunden, Switzerland.