They pink lake is true

Come to think of a lake pink in colour at the same time not drinkable dou to it's salit level and has no fatal effect on humanity while swinging? Yes it kind of sound impossible but believe it exists .
The pink/ orange colour of salt lakes in Senegal and other countries are caused by the green alge dunaliella salina and the archaea halobacterium cutirubrum .
This reaction takes place when the alge accumulate red carotenoid pigment and Beta carotene o think it should be among the worlds wonders