The waters of Senegal's Lake Retba are back to their famous pink hues three years after floods washed away their rosy ...

When it rains, fresh nutrients get washed into the lake and trigger the growth of the more algae, making the pink more intense. However, when it is drier the lake turns a pale colour as it has a ...

Widely known as the "Pink Lake," Retba is a magnet for tourists, lying 40 kilometres (25 miles) northeast of the capital Dakar. Separated from the Atlantic by a narrow dune, the shallow lake is so ...