860-288801 - Clay loaded with iron oxides and dried out, Rio Tinto, Andalusia, Spain *** Local Caption *** R?o Tinto ("Red River") is very acidic (Ph 2) and has a deep reddish hue due to iron dissolved in water. The acidity of the watercourse is linked to the drainage of pyrite, which is very present in the subsoil. Extremophilic and endemic bacteria and algae colonize the river bed, forming a fragile biofilm that evokes the hot springs of Yellowstone Park in the USA.
860-288798 - Reflections on Rio Tinto, near its source, Andalusia, Spain *** Local Caption *** R?o Tinto ("Red River") is very acidic (Ph 2) and has a deep reddish hue due to iron dissolved in water. The acidity of the watercourse is linked to the drainage of pyrite, which is very present in the subsoil. Extremophilic and endemic bacteria and algae colonize the river bed, forming a fragile biofilm that evokes the hot springs of Yellowstone Park in the USA.
860-288795 - Black pigs in dehesa in Estramadura, Spain. A dehesa is an agro-sylvo-pastoral mode of cultivation formed by a sparse undergrowth grazing where pigs or sheep graze freely and where green or cork oaks grow, cut and exploited. This very old system persists in the poor and dry areas of the Mediterranean basin and covers several million hectares in the Iberian Peninsula.
860-288829 - the sun sets on top of gran canaria mountains. teide roque nublo cinderella moon summer pico de las nieves gran canaria tejeda las palmas spain
860-288800 - R?o Tinto, Andalucia, Spain *** Local Caption *** R?o Tinto ("Red River") is very acidic (Ph 2) and has a deep reddish hue due to iron dissolved in water. The acidity of the watercourse is linked to the drainage of pyrite, which is very present in the subsoil. Extremophilic and endemic bacteria and algae colonize the river bed, forming a fragile biofilm that evokes the hot springs of Yellowstone Park in the USA.
860-288799 - R?o Tinto, Andalucia, Spain *** Local Caption *** R?o Tinto ("Red River") is very acidic (Ph 2) and has a deep reddish hue due to iron dissolved in water. The acidity of the watercourse is linked to the drainage of pyrite, which is very present in the subsoil. Extremophilic and endemic bacteria and algae colonize the river bed, forming a fragile biofilm that evokes the hot springs of Yellowstone Park in the USA.
809-8191 - Nuns attend Pope Francis' live streamed Angelus prayer on Saint Peter's Square on May 24 2020 at the Vatican, UNESCO World Heritage Site, Rome, Lazio, Italy, Europe
1116-47576 - Red fox (Vulpes vulpes) prowls the Campbell Creek area in winter looking for rodents and other food. Fox is shown looking out from a hole that may be a future den, South-central Alaska, Anchorage, Alaska, United States of America
1116-48267 - May 2018 eruption, Leilani Estates subdivision, East Rift Zone Kilauea Volcano, Big Island of Hawaii, Pahoa, Island of Hawaii, Hawaii, United States of America
1245-1874 - 1st of May Labour Day Parade, Plaza de la Revolucion (Revolution Square), Havana, La Habana Province, Cuba, West Indies, Caribbean, Central America
1245-1876 - 1st of May Labour Day Parade, Plaza de la Revolucion (Revolution Square), Havana, La Habana Province, Cuba, West Indies, Caribbean, Central America
1245-1875 - 1st of May Labour Day Parade, Plaza de la Revolucion (Revolution Square), Havana, La Habana Province, Cuba, West Indies, Caribbean, Central America
860-287453 - Tara Oceans Expeditions - May 2011. CTD-Rosette (Conductivity Temperature Density instrumental platform with 7 additional sensors), Galapagos
860-287454 - Tara Oceans Expeditions - May 2011. CTD-Rosette (Conductivity Temperature Density instrumental platform with 7 additional sensors), galapagos
860-287459 - Tara Oceans Expeditions - May 2011. diving Marine Iguana (Amblyrhynchus cristatus); Isabela Island; Galapagos, Ecuador; The Marine Iguana appears slow and clumsy on land, but this particular species of lizard is the only sea-going lizard in the world. However, it has to return the the land to breed.
860-287455 - Tara Oceans Expeditions - May 2011. CTD-Rosette (Conductivity Temperature Density instrumental platform with 7 additional sensors), Galapagos
860-287535 - Concretions in the caves of Choranche, cave remarkably rich in fistuleuses, fine stalagmites that can reach several meters long, Massif du Vercors, Isere, France