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.

dunaliella salina salt marsh salt works natural area landscape seaside summer salt outdoor high angle view day colorful straight line top view august microorganism water surface nobody cadiz (province) green micro algae (dunaliella salina) drone view salt marshes saltworks nature natural areas ecosystem ecosystems landscapes coasts seasides coast summertime salts outdoors outsides outside high angle shot overhead shots overhead shot overhead sight overhead sights overhead view overhead views days daytime colourful rudy colorfully colored straight lines top views top sight top sights view from above top shot micro organism micro organisms microorganisms microbe microbes water surfaces watersurface watersurfaces with nobody salt exploitation wetland area artificial wetland area freshwater wetland area area salt exploitation land use natural resources use naturalness strand temperate season seasons ambiance mineral matter matter (substance) shot colour shape water (matter) enumeration andalusia autonomous community spain european union europe chlorophyceae green alga / chlorophyta alga flora aerial view