Crater Lake (USA) the World's Most Clearest
Lake Caldera is a cragle lake located in Oregon. The lake has several unique facets. Its most unique faculty is the world's cleanest lake. Another unique factor of this is its flow, that means its water is stagnant, that means there is no reason for the water to disappear. It's the deepest in the United States and the ninth deepest lake in the world. this is collected books.