Is there chlorine dioxide in the ice cubes hung by Winter Olympics volunteers?

Yes.

The sterilization in Bingdundunli contains chlorine dioxide, whose functions include disinfection and sterilization.

In order to prevent and control the epidemic at the Beijing Winter Olympics, many "black technologies" for epidemic prevention have emerged. Chlorine dioxide is a high-level disinfectant that can instantly kill viruses in the air. At the same time, it is safe and harmless to the human body. Poisonous food grade disinfectant.

Among the "black technologies" for epidemic prevention at this Winter Olympics, there are also mobile temperature measurement and epidemic prevention supervision robots, delivery robots, self-driving unmanned mobile vending trucks with intelligent Internet of Vehicles systems, intelligent catering robots, and epidemic prevention robots. Prevention and control clairvoyance systems, aerosol collectors, and wearable continuous temperature measurement equipment "temperature stickers", etc. These "black technologies" we have seen may be just the tip of the iceberg. There are many more "black technologies" for epidemic prevention in venues far away. Beyond everyone’s imagination. It is precisely with these "black technologies" for epidemic prevention that people all over the world have a sense of security about this Winter Olympics.