BEIJING, China (CNN)-- Grand fireworks and spectacular choreography brought to a close the Beijing Games Sunday as one of the most remarkable Olympics ... and while the air was thick with smog ...

A professor and former athlete offers insight into how Chinese athletes have prepared for the Summer… Years of preparation for the 2008 Beijing ... Olympic Athletes Despite efforts to curb China ...

(Photo by Kevin Frayer/Getty Images) (ATR)China is promising to reduce air pollution in Beijing ahead of the 2022 Winter Olympics following ... would adopt to clean up Beiing's air.