Lake Retba In Senegal Looks Like A Giant Strawberry Milkshake. That's because the blood red colour is caused by high levels of algae due to high salt content - with some areas containing up to 40 per cent of it.
Lake Retba, or as the French refer to it Lac Rose, is situated north of the Cap Vert Peninsula in Senegal, northeast of Dakar. The lake's harmless bacteria makes it pink while it's high salt content makes in easy to float on
Senegal’s Lake Retba gives off its pink hue due to cyanobacteria, a harmless halophilic bacteria found in the water. Lake Retba has a high salt content, much like that of the Dead Sea, allowing people to float effortlessly in the massive pink water.