People wait in line to refill empty medical oxygen cylinders for COVID-19 patients in front of a shop in New Delhi, India, April 26, 2021.(Photo: Xinhua)
A man lifts a refilled medical oxygen cylinder for COVID-19 patients in front of a shop in New Delhi, India, April 26, 2021. (Photo: Xinhua)
Two men move a refilled medical oxygen cylinder for COVID-19 patients in front of a shop in New Delhi, India, April 26, 2021. (Photo: Xinhua)
People wait in line to refill empty medical oxygen cylinders for COVID-19 patients in front of a shop in New Delhi, India, April 26, 2021.(Photo: Xinhua)