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Careful, creative, or creepy? Amazon says it uses its vast camera system for contact tracing and to try to enforce social distancing. It’s testing a UV-emitting robot that may one day in the future disinfect surfaces in warehouses or Whole Foods. https://t.co/dgN5YCucVM pic.twitter.com/kXvclrsIXO

Cesar Gomez, a 20-year old Guatemalan, said he jumped at joining the caravan to avoid the dangers of traveling alone and paying thousands of dollars to human smugglers.

Cao Guofen, deputy director of the commerce bureau, said that most of the city's goods exported to the US had no "absolute bargaining power", and that their advantages were not strong enough to be irreplaceable, such as some products in the computer and cell phone industries.

Chao Yang, a senior researcher at the institute, who cultivated the first hybrid Chinese rose in 2005, has been involved in pollination work for nearly 20 years.

Capping off the five-days of 2020 Chongqing International Fashion Week, the show unfolded grandly at the ancient Lu'an Bridge in front of the waterfall — the largest single waterfall in Asia, 151 meters wide and 64.5 meters tall.