A police officer uses a megaphone to urge people to maintain safe distance upon disembarking from the train that arrived from the southern state of Tamil Nadu after a limited reopening of India's giant rail network following a nearly seven-week lockdown to slow the spreading of the coronavirus disease (COVID-19), at the Howrah Junction railway station on the outskirts of Kolkata, India, May 12, 2020. (Photo by Rupak De Chowdhuri/Reuters)
