It begins to form lakes , and where the water flows into basins created by geological faults , they can be immense .
By the time it has settled down and fallen over its last cascade , the water becomes tranquil and rich with nutrients from its banks .
water begins to form lakes , and where the water flows into basins created by geological faults , they can be immense .
By the time it has settled down and fallen over its last cascade , the water becomes tranquil and rich with nutrients from its banks .