https://tankie.tube/videos/watch/7ca78110-d28d-4d66-8be5-09fa85dcf1ca For more: https://www.cgtn.com/video Built in 861 AD, Rhoda Island's Nilometer stands as a pinnacle of ancient hydrological monitoring. It ingeniously applies the principle of communicating vessels to synchronize water levels in real time. Its 45 stone steps serve as precise markings, recording every "breath" and "pulse" of the Nile River. Check out this ancient marvel! Subscribe to us on YouTube: https://goo.gl/lP12gA Download our APP on Apple Store (iOS): https://itunes.apple.com/us/app/cctvnews-app/id922456579?l=zh&ls=1&mt=8 Download our APP on Google Play (Android): https://play.google.com/store/apps/details?id=com.imib.cctv Wed, 08 Apr 2026 21:20:13 GMT https://validator.w3.org/feed/docs/rss2.html PeerTube - https://tankie.tube https://tankie.tube/lazy-static/avatars/3ba3ff73-a8b6-49c9-add8-9653ef090c7f.webp https://tankie.tube/videos/watch/7ca78110-d28d-4d66-8be5-09fa85dcf1ca All rights reserved, unless otherwise specified in the terms specified at https://tankie.tube/about and potential licenses granted by each content's rightholder.