The lowest point on the African continent and the most saline body of water on earth, Lac Assal, Djibouti, Africa

The lowest point on the African continent and the most saline body of water on earth, Lac Assal, Djibouti, Africa

Golfo delle Saline, Sardinia, Italy, Mediterranean, Europe

Evaporation of sea water in salt pans, Museo de la Sal (Salt Museum), Las Salinas del Carmen, Fuerteventura, Canary Islands, Spain, Atlantic, Europe

Salt-pans dating back to Roman times on the west coast of the island of Gozo, Malta

Worker loading wheel barrow with salt, Salt fields at Karangjahe, near Lasem, Java island, Indonesia, Southeast Asia, Asia

Aerial of the Trou du Natron volcanic crater and its natron lakes, Tibesti Mountains, Chad

Aerial of the Trou du Natron volcanic crater and its natron lakes, Tibesti Mountains, Chad

The endemic Galapagos marine iguana (Amblyrhynchus cristatus) sneezing excess salt from its nostrils in the Galapagos, UNESCO World Heritage Site, Ecuador, South America

Galapagos sea lions (Zalophus wollebaeki) hauled out on the beach in the Galapagos Island Archipelago, UNESCO World Heritage Site, Ecuador, South America

Salt Lake Tuz at sunset, Karamollausagi, Sereflikochisar, Ankara Province, Central Anatolia Region, Anatolia, Turkey, Asia Minor, Asia

Baked landscape formerly a large lake, now dried up, Hong Hai Zai near Dongsheng, China, Asia

Baked landscape formerly a large lake, now dried up, Hong Hai Zai near Dongsheng, China, Asia

Baked landscape formerly a large lake, now dried up, Hong Hai Zai near Dongsheng, China, Asia

Baked landscape formerly a large lake, now dried up, Hong Hai Zai near Dongsheng, China, Asia

Baked landscape formerly a large lake, now dried up, Hong Hai Zai near Dongsheng, China, Asia

Baked landscape formerly a large lake, now dried up, Hong Hai Zai near Dongsheng, China, Asia

Baked landscape formerly a large lake, now dried up, Hong Hai Zai near Dongsheng, China, Asia

Mangrove trees on the edge of the Daintree rainforest in the North of Queensland, Australia, Pacific

Baked landscape formerly a large lake, now dried up, Hong Hai Zai near Dongsheng, China, Asia

Baked landscape formerly a large lake, now dried up, Hong Hai Zai near Dongsheng, China, Asia

The town of San Agustin amidst masses of shimmering plastic greenhouses, on the right the shallow lagoon Salinas de Cerrillos, aerial view, drone shot, Almeria province, Andalusia, Spain, Europe

Ojos del Salar, groundwater ponds and surface of the Salar predominantly natriumchloride. Landscape on the salt flats Salar Salinas Grandes in the Altiplano. South America, Argentina

Salt processing area open to visitors, typical curios. The salt flats Salar Salinas Grandes in the Altiplano. South America, Argentina

Salt processing area open to visitors Landscape on the salt flats Salar Salinas Grandes in the Altiplano. South America, Argentina

Surface of the Salar predominantly natriumchloride. Landscape on the salt flats Salar Salinas Grandes in the Altiplano. South America, Argentina

Salt processing area open to visitors Landscape on the salt flats Salar Salinas Grandes in the Altiplano. South America, Argentina

Routa 52 is crossing the Salar towards Chile. Landscape on the salt flats Salar Salinas Grandes in the Altiplano. South America, Argentina

Salt processing area open to visitors Landscape on the salt flats Salar Salinas Grandes in the Altiplano. South America, Argentina

Salt processing area open to visitors Landscape on the salt flats Salar Salinas Grandes in the Altiplano. South America, Argentina

View from Mtn pass Abra de Potrerillos, Salar in the background. Landscape near the salt flats Salar Salinas Grandes in the Altiplano. South America, Argentina

Landscape near the salt flats Salinas Grandes in the Altiplano. South America, Argentina

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.

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.

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.