Complex sentence: The Poso de Chane was destroyed in the Great Flood of 1862, when a deep channel was cut draning the pool and the surrounding land, gardens, vines and trees died turning it into a desolate location, that was supplied with water only by digging wells.
Split into simpler sentences: The Poso de Chane was destroyed in the Great Flood of 1862, when a deep channel was cut draining the pool. The surrounding land, gardens, vines and trees died, turning it into a desolate location to be supplied with water only by digging wells.