Cascata delle Marmore in Terni Italy: a beautiful man-made waterfall

The Cascata delle Marmore is a man-made waterfall created by the ancient Romans. Its total height is 165 m (541 feet), making it one of the tallest in Italy and the tallest man-made waterfall in the world. Of its 3 sections, the top one is the tallest, at 83 m (272 feet).