Foz de Iguazu (Iguacu Falls), Iguazu National Park, UNESCO World Heritage Site, Argentina, South America

Panoramic view of iron ore mine Cockerill d'Esch-sur-Alzette that played a major role in economic boom from the 1870s to the 1990s, Luxembourg

Aerial drone view of particular ice textures formed in the Hoffelsjokull glacier following global warming, Iceland, Polar Regions

Plaque marking the site of the Berlin Wall in Potsdamerplatz, Berlin, Germany

Stainless steel sculpture Ouverture au Monde by artist Angel Duarte, Osche pier in Ouchy, Lake Leman, Lausanne, Canton of Vaud, Switzerland

Giant Child Statue Head Titled Day, Atocha Train Station, Madrid, Spain

Underwater view of of the reef system at Half Moon Caye, UNESCO, Mesoamerican Barrier Reef, Belize

Huge avalanche, near Tangnag, Khumbu region, Himalayas, Nepal, Asia

Views of the abandoned whaling station cemetery in Stromness Bay on South Georgia, Southern Ocean, Polar Regions

Woman photographing Palm plantation colonized by invasive Sodom apple (Calotropis procera), Sharaan Nature Reserve, Medina Province, Saudi Arabia

Cow eating from a trash bin, Pushkar, Rajasthan, India

The endemic lava cactus (Brachycereus spp) cactus growing in the Galapagos Island Archipelago, UNESCO World Heritage Site, Ecuador, South America

Long neck Karen (Kayan) woman in Baan Tong Luang eco village near Chiangmai, Thailand

Wat Rong Khun, the famous White Temple, Chiang Rai, Thailand

Broken Chair, Memorial to the Victims of Landmines, Place des Nations, Geneva, Switzerland

Architect Frank Gehry's Guggenheim Museum futuristic architectural design with Puppy flower feature at Bilbao, Spain

Transient killer whale (Orcinus orca) near boat in the Monterey Bay National Marine Sanctuary, California, United States of America, North America

Bosumtwi Meteor Impact Crater, Ghana, True Colour Satellite Image

Wolf Creek Meteor Impact Crater, Australia, True Colour Satellite Image. True colour satellite image of Wolf Creek impact structure, Australia (age : 300 000 years ; diameter : 875 m). Image taken on 27 April 1990 using LANDSAT data.

Kara-Kul Meteor Impact Crater, Tajikistan, True Colour Satellite Image. True colour satellite image of Kara-Kul impact structure, Tajikistan (age : 25 million years ; diameter : 52 km). Image taken on 27 September 1992 using LANDSAT data.

Barringer Meteor Impact Crater, Arizona, Usa, True Colour Satellite Image

Tin Bider Meteor Impact Crater, Algeria, True Colour Satellite Image

Meteor Impact Crater In The Libyan Desert, Egypt, True Colour Satellite Image. True colour satellite image of an impact structure in the Libyan desert, Egypt. Image taken on 9 November 1986 using LANDSAT data.

Upheaval Dome Meteor Impact Crater, Utah, Usa, True Colour Satellite Image. True colour satellite image of Upheaval Dome impact structure, Utah, US (age : 65 million years ; diameter : 5 km). Image taken on 17 June 1989 using LANDSAT data.

Meteor Impact Crater, Libya, True Colour Satellite Image. True colour satellite image of an impact structure North of Koufra Oasis in the Libyan desert

Wanapitei Lake Meteor Impact Crater, Manitoba, Canada, True Colour Satellite Image

Siljan Meteor Impact Crater, Sweden, True Colour Satellite Image. True colour satellite image of Siljan impact structure, Sweden (diameter : 55 km). Image using LANDSAT data.

Tookoonooka Meteor Impact Crater, Queensland, Australia, True Colour Satellite Image

Talemzane Meteor Impact Crater, Algeria, True Colour Satellite Image

Lonar Meteor Impact Crater, India, True Colour Satellite Image. True colour satellite image of Lonar impact structure, India (diameter : 1,83 km). Image taken on 4 November 1992 using LANDSAT data.