Pet dogs search for eggs with owners during the 2019 Easter Egg Hunt for Dogs event in Oakville, Ontario, Canada, on April 19, 2019. Hundreds of families and their pet dogs took part in the annual event on Friday as an Easter celebration. (Xinhua/Zou Zheng)

Pet dogs search for eggs with owners during the 2019 Easter Egg Hunt for Dogs event in Oakville, Ontario, Canada, on April 19, 2019. Hundreds of families and their pet dogs took part in the annual event on Friday as an Easter celebration. (Xinhua/Zou Zheng)

Pet dogs and owners pose for photos with eggs they found during the 2019 Easter Egg Hunt for Dogs event in Oakville, Ontario, Canada, on April 19, 2019. Hundreds of families and their pet dogs took part in the annual event on Friday as an Easter celebration. (Xinhua/Zou Zheng)

A boy and his father open eggs after the 2019 Easter Egg Hunt for Dogs event in Oakville, Ontario, Canada, on April 19, 2019. Hundreds of families and their pet dogs took part in the annual event on Friday as an Easter celebration. (Xinhua/Zou Zheng)

Pet dogs search for eggs with owners during the 2019 Easter Egg Hunt for Dogs event in Oakville, Ontario, Canada, on April 19, 2019. Hundreds of families and their pet dogs took part in the annual event on Friday as an Easter celebration. (Xinhua/Zou Zheng)

A child picks up eggs from the lawn during the Eggciting Easter Hop at VanDusen Botanical Garden in Vancouver, Canada, on April 19, 2019. Eggciting Easter Hop egg hunt event attracted families here on Friday, in which children could collect eggs near the maze area and receive a chocolate prize, and hop along to fun music on the great lawn. (Xinhua/Liang Sen)

Children collect eggs during the Eggciting Easter Hop at VanDusen Botanical Garden in Vancouver, Canada, on April 19, 2019. Eggciting Easter Hop egg hunt event attracted families here on Friday, in which children could collect eggs near the maze area and receive a chocolate prize, and hop along to fun music on the great lawn. (Xinhua/Liang Sen)