The unprecedented anti-Covid “closed loop management” system at Beijing 2022 offers insight into the world of Chinese tech. (Image: China Daily) Sports ओलंपिक के अंदर की तकनीक को देखते हुए, यह अभूतपूर्व है Feb 19, 2022, 16:12pm2022/02/19 23:00:49 Peter Catterall Add to Favorites Added to Favorites Your browser does not support the audio element. Sign up today for 5 free articles monthly! Sign in with Email or subscribe to a full access plan...