indoor

EDM.com's Sunkel said the indoor event was "a way for Tomorrowland to test how their universe lands in China, how it's received under tightly managed conditions".

"Many Canadians spend nearly 90 percent of their time inside, making indoor air quality a critical factor for health and well-being."

Flu activity is low at the moment, though it is likely to increase with Thanksgiving next week and the holiday season, which typically involves more plane travel and indoor gatherings.

"I mean I just played against someone that hasn't lost a match indoor for two years now, so that means you know how great player you are," Alcaraz told Sinner.

For Excel leaders, “good” translated to an indoor air filtration system, walls made of plants to pump oxygen, and lighting fixtures that adjust to the time of day.