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.

860-288760 - Aerial view of Salt Evaporation Ponds, Walvis Bay, Skeleton Coast, Namib Desert, Namibia.

860-288767 - Aerial view of Salt Evaporation Ponds, Walvis Bay, Skeleton Coast, Namib Desert, Namibia.

860-288766 - Aerial view of Salt Evaporation Ponds, Walvis Bay, Skeleton Coast, Namib Desert, Namibia.