Complex sentence: The Jukskei begins in Ellis Park in Johannesburg, although its original spring on the former Doornfontein farm, measured at 18,000 liters per hour, has since disappeared under subsequent urban development.
Split into simpler sentences: The Jukskei begins in Ellis Park in Johannesburg. Its original spring on the former Doornfontein farm, which measured at 18,000 liters per hour, has since disappeared under subsequent urban development.