https://tankie.tube/videos/watch/bf347339-67cb-4a14-9443-0c9068cf4854 China's self-developed S4000 Stratosphere Airborne Wind Energy System (SAWES) climbed to 4,000 meters and hovered steadily at a test base in northwest China. The system proved reliable in extreme high-altitude conditions. 📺 Subscribe to our YouTube channel and stay updated with our latest analysis and interviews:👇 https://www.youtube.com/channel/UCgrNz-aDmcr2uuto8_DL2jg 👈 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 For more: https://news.cgtn.com/news/2026-09-09/China-s-airborne-wind-power-system-operates-stably-at-4-000-meters-1QicQBH7Dby/p.html Most watched videos: Impossible Challenge: 30 seconds to count banknotes BLINDFOLDED https://www.youtube.com/watch?v=ZmP_Ybj-jws Impossible Challenge: Gymnastics Boy Arat Hosseini from Iran! https://www.youtube.com/watch?v=8sxX--U4c8w Impossible Challenge: How to calm babies in 5 seconds? https://www.youtube.com/watch?v=kR3q9sXM7WA Wed, 09 Sep 2026 10:20:07 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/bf347339-67cb-4a14-9443-0c9068cf4854 All rights reserved, unless otherwise specified in the terms specified at https://tankie.tube/about and potential licenses granted by each content's rightholder.