Participants take a selfie during an etiquette class by former Australian model June Dally-Watkins in Guangzhou, China October 8, 2017.

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Participants take a selfie during an etiquette class by former Australian model June Dally-Watkins in Guangzhou, China October 8, 2017.
Participants take a selfie during an etiquette class by former Australian model June Dally-Watkins in Guangzhou, China, Oct. 8, 2017.
Credit: Bobby Yip/Reuters