March 2021
Ilmenau, Germany
April 2021
Barcelona, Spain
Xi'an, China
May 2021
Chengdu, China
July 2021
Barcelona, Spain
Oviedo, Spain
Frankfurt, Germany
Jeju Island, Korea (South)
August 2021
Prague, Czech Republic
Oshawa, Canada
Ottawa, Canada
September 2021
Fukuoka, Japan
Shanghai, China
Shanghai, China
Shanghai, China
November 2021
Shenzhen, China
December 2021
Xiamen, China
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