People wait to refill oxygen cylinders for COVID-19 patients in India
Xinhua
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People wait to refill oxygen cylinders for COVID-19 patients at Jangpura area in New Delhi, India, on May 5, 2021. (Photo by Partha Sarkar/Xinhua)

People wait to refill oxygen cylinders for COVID-19 patients at Jangpura area in New Delhi, India, on May 5, 2021. (Photo by Partha Sarkar/Xinhua)