People look at a skink during the 2020 Toronto Reptile Expo in Toronto, Canada, on Feb. 23, 2020. This one-day event was held in Toronto on Sunday, attracting thousands of reptile enthusiasts. (Photos: Xinhua)

A man poses for photos with a pet snake during the 2020 Toronto Reptile Expo in Toronto, Canada, on Feb. 23, 2020. This one-day event was held in Toronto on Sunday, attracting thousands of reptile enthusiasts.

A man shows a gecko during the 2020 Toronto Reptile Expo in Toronto, Canada, on Feb. 23, 2020. This one-day event was held in Toronto on Sunday, attracting thousands of reptile enthusiasts.

Two lizards are seen during the 2020 Toronto Reptile Expo in Toronto, Canada, on Feb. 23, 2020. This one-day event was held in Toronto on Sunday, attracting thousands of reptile enthusiasts.

People look at pet snakes during the 2020 Toronto Reptile Expo in Toronto, Canada, on Feb. 23, 2020. This one-day event was held in Toronto on Sunday, attracting thousands of reptile enthusiasts. (Photo by Zou Zheng/Xinhua)

A man shows a pet snake during the 2020 Toronto Reptile Expo in Toronto, Canada, on Feb. 23, 2020. This one-day event was held in Toronto on Sunday, attracting thousands of reptile enthusiasts.