A young patient receives treats from costumed healthcare workers during a Trick-or-Treat party to celebrate the Halloween at British Columbia Children's Hospital in Vancouver, British Columbia, Canada, on Oct. 31, 2022.(Photo: Xinhua)
A young patient receives treats from costumed healthcare workers during a Trick-or-Treat party to celebrate the Halloween at British Columbia Children's Hospital in Vancouver, British Columbia, Canada, on Oct. 31, 2022.(Photo: Xinhua)
A young patient receives treats from costumed healthcare workers during a Trick-or-Treat party to celebrate the Halloween at British Columbia Children's Hospital in Vancouver, British Columbia, Canada, on Oct. 31, 2022.(Photo: Xinhua)