- https://weather.com/weather/tenday/l/Shanghai+China+CHXX0116:1:CH
- https://travel.state.gov/content/travel/en/traveladvisories/traveladvisories/worldwide-caution.html
- https://wwwnc.cdc.gov/travel/destinations/list/?s_cid=cdc_homepage_topmenu_003
- https://www.cbp.gov/travel/international-visitors/know-before-you-go
- http://www.cantonfair.org.cn/en/
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