
People ride a subway with social distancing signs on a floor inside a train as the spread of the coronavirus disease (COVID-19) continues, in Rome, Italy, April 28, 2020. (Photo/Agencies)

People stand on social distancing signs on a train as the spread of the coronavirus disease (COVID-19) continues, in Rome, Italy, April 28, 2020. (Photo/Agencies)

People keep social distance while riding a subway train as the spread of the coronavirus disease (COVID-19) continues, in Rome, Italy, April 28, 2020. (Photo/Agencies)

A man sitting on a social distancing sign as he waits for a train at a subway station as the spread of the coronavirus disease (COVID-19) continues, in Rome, Italy, April 28, 2020. (Photo/Agencies)