Stromatolites, one of the most ancient life forms on earth, mats of micro-organisms that become rock-like structures through accretion of calcium carbonate, in highly saline lagoons like here in Lake Thetis, Cervantes, Dandaragan Shire, Western Australia, Australia, Pacific

Stromatolites, one of the most ancient life forms on earth, mats of micro-organisms that become rock-like structures through accretion of calcium carbonate, in highly saline lagoons like here in Lake Thetis, Cervantes, Dandaragan Shire, Western Australia, Australia, Pacific

Person with a safety suit in a forest area. Ayegui, Navarre, Spain, Europe

Person with a safety suit lying down in a flowers carpet in a forest area. Ayegui, Navarre, Spain, Europe

Person with a safety suit in a forest area. Ayegui, Navarre, Spain, Europe

Alkali-loving extremophile bacteria, SEM

Pipette with drop of color liquid and petri dishes.

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.

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.

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.

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.

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.

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.

Zooplankton. Pelagic micro organism that is part of plankton (unidentified species). It lives dragged by the marine currents and it is common to observe it in spring. Marine invertebrates of the Canary Islands.

Zooplankton. Pelagic micro organism that is part of plankton (unidentified species). It lives dragged by the marine currents and it is common to observe it in spring. Marine invertebrates of the Canary Islands.