People wait outside a supermarket in Bologna, Italy, March 20, 2020. Italy's Ministry of Health on Friday took the unprecedented step of closing all public parks, gardens and other open spaces, effective from Saturday. The coronavirus pandemic has claimed 4,032 lives in locked down Italy by Friday, with the number of cumulative cases reaching 47,021, according to new data released by the Civil Protection Department. (Photo by Gianni Schicchi/Xinhua)

A medical worker with protective devices against coronavirus waits for patients in Rome, Italy, on March 20, 2020. Italy's Ministry of Health on Friday took the unprecedented step of closing all public parks, gardens and other open spaces, effective from Saturday. The coronavirus pandemic has claimed 4,032 lives in locked down Italy by Friday, with the number of cumulative cases reaching 47,021, according to new data released by the Civil Protection Department. (Xinhua/Cheng Tingting)

A man rides a bicycle on the street in Bologna, Italy, March 20, 2020. Italy's Ministry of Health on Friday took the unprecedented step of closing all public parks, gardens and other open spaces, effective from Saturday. The coronavirus pandemic has claimed 4,032 lives in locked down Italy by Friday, with the number of cumulative cases reaching 47,021, according to new data released by the Civil Protection Department. (Photo by Gianni Schicchi/Xinhua)

People wait outside a supermarket in Bologna, Italy, March 20, 2020. Italy's Ministry of Health on Friday took the unprecedented step of closing all public parks, gardens and other open spaces, effective from Saturday. The coronavirus pandemic has claimed 4,032 lives in locked down Italy by Friday, with the number of cumulative cases reaching 47,021, according to new data released by the Civil Protection Department. (Photo by Gianni Schicchi/Xinhua)

Fitness exercise equipments are sealed by local police in Rome, Italy, March 20, 2020. Italy's Ministry of Health on Friday took the unprecedented step of closing all public parks, gardens and other open spaces, effective from Saturday. The coronavirus pandemic has claimed 4,032 lives in locked down Italy by Friday, with the number of cumulative cases reaching 47,021, according to new data released by the Civil Protection Department. (Photo by Alberto Lingria/Xinhua)

People wearing face masks walk by the street in Rome, Italy, March 20, 2020. Italy's Ministry of Health on Friday took the unprecedented step of closing all public parks, gardens and other open spaces, effective from Saturday. The coronavirus pandemic has claimed 4,032 lives in locked down Italy by Friday, with the number of cumulative cases reaching 47,021, according to new data released by the Civil Protection Department. (Photo by Alberto Lingria/Xinhua)

A man walks near the Fontana del Nettuno in Bologna, Italy, March 20, 2020. Italy's Ministry of Health on Friday took the unprecedented step of closing all public parks, gardens and other open spaces, effective from Saturday. The coronavirus pandemic has claimed 4,032 lives in locked down Italy by Friday, with the number of cumulative cases reaching 47,021, according to new data released by the Civil Protection Department. (Photo by Gianni Schicchi/Xinhua)

A few people walk on Piazza Maggiore in Bologna, Italy, March 20, 2020. Italy's Ministry of Health on Friday took the unprecedented step of closing all public parks, gardens and other open spaces, effective from Saturday. The coronavirus pandemic has claimed 4,032 lives in locked down Italy by Friday, with the number of cumulative cases reaching 47,021, according to new data released by the Civil Protection Department. (Photo by Gianni Schicchi/Xinhua)

A man waits to enter a supermarket in Bologna, Italy, March 20, 2020. Italy's Ministry of Health on Friday took the unprecedented step of closing all public parks, gardens and other open spaces, effective from Saturday. The coronavirus pandemic has claimed 4,032 lives in locked down Italy by Friday, with the number of cumulative cases reaching 47,021, according to new data released by the Civil Protection Department. (Photo by Gianni Schicchi/Xinhua)

A medical worker with protective devices against coronavirus waits for patients in Rome, Italy, on March 20, 2020. Italy's Ministry of Health on Friday took the unprecedented step of closing all public parks, gardens and other open spaces, effective from Saturday. The coronavirus pandemic has claimed 4,032 lives in locked down Italy by Friday, with the number of cumulative cases reaching 47,021, according to new data released by the Civil Protection Department. (Xinhua/Cheng Tingting)

A woman walks her dog in Rome, Italy, March 20, 2020. Italy's Ministry of Health on Friday took the unprecedented step of closing all public parks, gardens and other open spaces, effective from Saturday. The coronavirus pandemic has claimed 4,032 lives in locked down Italy by Friday, with the number of cumulative cases reaching 47,021, according to new data released by the Civil Protection Department. (Xinhua/Cheng Tingting)

Few people walk on the street in Bologna, Italy, March 20, 2020. Italy's Ministry of Health on Friday took the unprecedented step of closing all public parks, gardens and other open spaces, effective from Saturday. The coronavirus pandemic has claimed 4,032 lives in locked down Italy by Friday, with the number of cumulative cases reaching 47,021, according to new data released by the Civil Protection Department. (Photo by Gianni Schicchi/Xinhua)

An ambulance is seen outside a building waiting for patients in Rome, Italy, on March 20, 2020. Italy's Ministry of Health on Friday took the unprecedented step of closing all public parks, gardens and other open spaces, effective from Saturday. The coronavirus pandemic has claimed 4,032 lives in locked down Italy by Friday, with the number of cumulative cases reaching 47,021, according to new data released by the Civil Protection Department. (Xinhua/Cheng Tingting)

Dog area is closed in Rome, Italy, March 20, 2020. Italy's Ministry of Health on Friday took the unprecedented step of closing all public parks, gardens and other open spaces, effective from Saturday. The coronavirus pandemic has claimed 4,032 lives in locked down Italy by Friday, with the number of cumulative cases reaching 47,021, according to new data released by the Civil Protection Department. (Photo by Alberto Lingria/Xinhua)