Jose Maria Casais, 69, uses a portable oxygen concentrator backpack with a battery to breathe, while sitting on a wheelchair in a park next to his house in Barcelona, Spain, December 9, 2022. REUTERS/Nacho Doce
Jose Maria Casais, 69, uses a portable oxygen concentrator backpack with a battery to breathe, while sitting on a wheelchair in a park next to his house in Barcelona, Spain, December 9, 2022. REUTERS/Nacho Doce