An attendee dresses as a sci-fi robot during the Fan Expo at Vancouver Convention and Exhibition Centre in Vancouver, Canada, on Feb. 15, 2020. As one of the largest pop culture conventions in Canada, the Fan Expo draws comic fans, cosplayers, toy vendors, comic book artists and creators to join. (Photo by Liang Sen/Xinhua)

Attendees pose for photos during the Fan Expo at Vancouver Convention and Exhibition Centre in Vancouver, Canada, on Feb. 15, 2020. As one of the largest pop culture conventions in Canada, the Fan Expo draws comic fans, cosplayers, toy vendors, comic book artists and creators to join. (Photo by Liang Sen/Xinhua)

An attendee looks at a costume displayed at a booth during the Fan Expo at Vancouver Convention and Exhibition Centre in Vancouver, Canada, on Feb. 15, 2020. As one of the largest pop culture conventions in Canada, the Fan Expo draws comic fans, cosplayers, toy vendors, comic book artists and creators to join. (Photo by Liang Sen/Xinhua)

Attendees pose for photos during the Fan Expo at Vancouver Convention and Exhibition Centre in Vancouver, Canada, on Feb. 15, 2020. As one of the largest pop culture conventions in Canada, the Fan Expo draws comic fans, cosplayers, toy vendors, comic book artists and creators to join. (Photo by Liang Sen/Xinhua)