China's C919 high-altitude variant takes to the skies for the first time#coolchina

#China's new high-altitude #C919 variant completed its maiden test flight at Shanghai Pudong International #Airport on July 29, successfully completing all planned test items. Designed for operations at high-altitude airports, the aircraft features a range of optimizations and marks a key step in expanding China's homegrown C919 family. 📺 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/2026-07-29/China-s-C919-high-altitude-variant-takes-to-the-skies-for-the-first-time-1PbcosuCF4Q/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