People perform on a stage floor surrounded by the largest 8K ultra-high-definition ground display system at the opening ceremony for the Beijing 2022 Winter Games in Beijing on Feb 4, 2022. (PHOTO / IC)

The stage floor of the Beijing 2022 Winter Games opening ceremony is the largest 8K ultra-high-definition ground display system, with a total area of 10,393 square meters. (PHOTO / IC)

Two sleeping cabins are seen at the main media center for the Beijing 2022 Winter Games. (PHOTO / IC)

The bar area of the main media center for the Beijing 2022 Winter Games is seen, where drinks are automatically served without human attendants. (PHOTO / IC)

The bar area of the main media center for the Beijing 2022 Winter Games is seen, where drinks are automatically served without human attendants. (PHOTO / IC)

The bar area of the main media center for the Beijing 2022 Winter Games is seen, where drinks are automatically served without human attendants. (PHOTO / IC)

A man fetches his order from a robot attendant at the bar area of the main media center for the Beijing 2022 Winter Games. (PHOTO / IC)

A smart bed is seen at the Winter Olympic village in Beijing. The bed can elevate the top and bottom and and come outfitted with data collection sensors. (PHOTO / IC)

A robot sprays a disinfectant in one of the hotels hosting media crews at the 2022 Winter Olympics in Beijing, on Feb 9, 2022. (PHOTO / IC)

A hologram of International Olympic Committee President Thomas Bach is seen as he addresses members of the media from inside the closed loop "bubble" of the Beijing 2022 Winter Olympics, at an event demonstrating Alibaba's Cloud ME technology in Beijing, on Feb 6, 2022. (PHOTO / IC)