Complex sentence: Once cultivated lands stretched away endlessly, irrigated by Mogappair Eri, Mangal Eri, Nolambur Eri and Ambattur Eri.
Split into simpler sentences: Once cultivated lands stretched away endlessly. Irrigated by the Mogappair Eri, Mangal Eri, Nolambur Eri and Ambattur Eri.