860-292564 - Saline ponds at the salt works next to Almadraba de Monteleva. The reddish colour depends on the level of salinity and is directly caused by the algae Dunaliella salina and brine shrimp. Aerial view. Drone shot. Nature Reserve Cabo de Gata-Nijar, Almería province, Andalusia, Spain.
860-292563 - The Playa de los Muertos (beach of the dead). Aerial view. Drone shot. Nature Reserve Cabo de Gata-Nijar, Almería province, Andalusia, Spain.
860-292562 - Saline ponds at the salt works near Chiclana de la Frontera. The orange-red colour depends on the level of salinity and is directly caused by the algae Dunaliella salina and brine shrimp. Aerial view. Drone shot. Cádiz province, Andalusia, Spain.
860-292560 - Harvesting salt at the saline ponds near Chiclana de la Frontera. The orange-red colour depends on the level of salinity and is directly caused by the algae Dunaliella salina and brine shrimp. Aerial view. Drone shot. Cádiz province, Andalusia, Spain.
860-292561 - Saline ponds at the salt works near Chiclana de la Frontera. The orange-red colour depends on the level of salinity and is directly caused by the algae Dunaliella salina and brine shrimp. Aerial view. Drone shot. Cádiz province, Andalusia, Spain.
860-292559 - Saline ponds at the salt works near Chiclana de la Frontera. The orange-red colour depends on the level of salinity and is directly caused by the algae Dunaliella salina and brine shrimp. Aerial view. Drone shot. Cádiz province, Andalusia, Spain.
860-292558 - Saline ponds at the Bonanza salt works near Sanlúcar de Barrameda. The reddish colour depends on the level of salinity and is directly caused by the algae Dunaliella salina and brine shrimp. Aerial view. Drone shot. Cádiz province, Andalusia, Spain.
860-292557 - Saline ponds at the Bonanza salt works near Sanlúcar de Barrameda. The red colour depends on the level of salinity and is directly caused by the algae Dunaliella salina and brine shrimp. Aerial view. Drone shot. Cádiz province, Andalusia, Spain.
860-292553 - Detail of a toxic phosphogypsum waste pond in the vicinity of the town of Huelva. Aerial view. Drone shot. Huelva province, Andalusia, Spain.
860-292552 - Detail of a toxic phosphogypsum waste pond in the vicinity of the town of Huelva. Aerial view. Drone shot. Huelva province, Andalusia, Spain.
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.
860-288800 - 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.