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Visitors walk along the Badaling section of the Great Wall in Beijing, China, on Tuesday, May 4, 2021. China's early success in tackling the pandemic has helped to underpin its economic rebound, and while the Asian nation has had the odd virus flare-uparound other holidays this year, its ability to contain sporadic outbreaks has given millions of people the confidence to stick to their domestic travel plans. Photographer: Yan Cong/Bloomberg via Getty Images

Visitors walk along the Badaling section of the Great Wall in Beijing, China, on Tuesday, May 4, 2021. China's early success in tackling the pandemic has helped to underpin its economic rebound, and while the Asian nation has had the odd virus flare-uparound other holidays this year, its ability to contain sporadic outbreaks has given millions of people the confidence to stick to their domestic travel plans. Photographer: Yan Cong/Bloomberg via Getty Images