A Spanish flag with a black ribbon hangs from a balcony of a house after Spanish government declared 10-day official mourning for coronavirus victims, amid the coronavirus disease (COVID-19) outbreak, in Ronda, Spain, May 26, 2020. REUTERS/Jon Nazca

A rope holds a Spanish flag with a black ribbon on a balcony of a house after Spanish government declared 10-day official mourning for coronavirus victims, amid the coronavirus disease (COVID-19) outbreak, in Ronda, Spain, May 26, 2020. REUTERS/Jon Nazca

A Spanish flag with a black ribbon hangs from a balcony of a house after Spanish government declared 10-day official mourning for coronavirus victims, amid the coronavirus disease (COVID-19) outbreak, in Ronda, Spain, May 26, 2020. REUTERS/Jon Nazca

A rope holds a Spanish flag with a black ribbon on a balcony of a house after Spanish government declared 10-day official mourning for coronavirus victims, amid the coronavirus disease (COVID-19) outbreak, in Ronda, Spain, May 26, 2020. REUTERS/Jon Nazca

Prayer ribbons for the over 6,000 Massachusetts residents who have died from the coronavirus disease (COVID-19) hang at Grant AME Church in Boston, Massachusetts, U.S., May 22, 2020. REUTERS/Brian Snyder

Frank Harris Jr. and McArthur Adams hang the latest string of prayer ribbons for the over 6,000 Massachusetts residents who have died from the coronavirus disease (COVID-19) at Grant AME Church in Boston, Massachusetts, U.S., May 22, 2020. REUTERS/Brian Snyder TPX IMAGES OF THE DAY

Vivian Marshall helps to hang the latest string of prayer ribbons for the over 6,000 Massachusetts residents who have died from the coronavirus disease (COVID-19) at Grant AME Church in Boston, Massachusetts, U.S., May 22, 2020. REUTERS/Brian Snyder

Prayer ribbons for the over 6,000 Massachusetts residents who have died from the coronavirus disease (COVID-19) hang at Grant AME Church in Boston, Massachusetts, U.S., May 22, 2020. REUTERS/Brian Snyder

Reverend Pedro Castro helps prepare the latest string of prayer ribbons for the over 6,000 Massachusetts residents who have died from the coronavirus disease (COVID-19) at Grant AME Church in Boston, Massachusetts, U.S., May 22, 2020. REUTERS/Brian Snyder

Reverend Pedro Castro helps prepare the latest string of prayer ribbons for the over 6,000 Massachusetts residents who have died from the coronavirus disease (COVID-19) at Grant AME Church in Boston, Massachusetts, U.S., May 22, 2020. REUTERS/Brian Snyder

Vivian Marshall helps to hang the latest string of prayer ribbons for the over 6,000 Massachusetts residents who have died from the coronavirus disease (COVID-19) at Grant AME Church in Boston, Massachusetts, U.S., May 22, 2020. REUTERS/Brian Snyder

Prayer ribbons for the over 6,000 Massachusetts residents who have died from the coronavirus disease (COVID-19) hang at Grant AME Church in Boston, Massachusetts, U.S., May 22, 2020. REUTERS/Brian Snyder

Vivian Marshall and Frank Harris Jr. hang the latest string of prayer ribbons for the over 6,000 Massachusetts residents who have died from the coronavirus disease (COVID-19) at Grant AME Church in Boston, Massachusetts, U.S., May 22, 2020. REUTERS/Brian Snyder

Frank Harris Jr. hangs the latest string of prayer ribbons for the over 6,000 Massachusetts residents who have died from the coronavirus disease (COVID-19) at Grant AME Church in Boston, Massachusetts, U.S., May 22, 2020. REUTERS/Brian Snyder

Frank Harris Jr. hangs the latest string of prayer ribbons for the over 6,000 Massachusetts residents who have died from the coronavirus disease (COVID-19) at Grant AME Church in Boston, Massachusetts, U.S., May 22, 2020. REUTERS/Brian Snyder

Frank Harris Jr. hangs the latest string of prayer ribbons for the over 6,000 Massachusetts residents who have died from the coronavirus disease (COVID-19) at Grant AME Church in Boston, Massachusetts, U.S., May 22, 2020. REUTERS/Brian Snyder

Frank Harris Jr. hangs the latest string of prayer ribbons for the over 6,000 Massachusetts residents who have died from the coronavirus disease (COVID-19) at Grant AME Church in Boston, Massachusetts, U.S., May 22, 2020. REUTERS/Brian Snyder

Women wearing protective face masks walk past a Spanish flag with a black ribbon for the victims of the coronavirus disease (COVID-19) outbreak, in Madrid, Spain, May 22, 2020. REUTERS/Susana Vera

A woman wears a protective face mask as demonstrators keep social distance by holding onto purple ribbons as they protest for women rights and against child abuse, amid the spread of the coronavirus disease (COVID-19), in Istanbul, Turkey, May 20, 2020. REUTERS/Umit Bektas

Women wearing protective face masks show a sign reading "Women are stronger together during the time of Corona" as demonstrators keep social distance by holding onto purple ribbons as they protest for women rights and against child abuse, amid the spread of the coronavirus disease (COVID-19), in Istanbul, Turkey, May 20, 2020. REUTERS/Umit Bektas

Women wearing protective face masks keep social distance by holding onto purple ribbons as they protest for women rights and against child abuse, amid the spread of the coronavirus disease (COVID-19), in Istanbul, Turkey, May 20, 2020. REUTERS/Umit Bektas

Women wearing protective face masks keep social distance by holding onto purple ribbons as they protest for women rights and against child abuse, amid the spread of the coronavirus disease (COVID-19), in Istanbul, Turkey, May 20, 2020. REUTERS/Umit Bektas

A woman wearing a protective face mask shows a sign reading "Not male justice! True justice!" as demonstrators keep social distance by holding onto purple ribbons as they protest for women rights and against child abuse, amid the spread of the coronavirus disease (COVID-19), in Istanbul, Turkey, May 20, 2020. REUTERS/Umit Bektas

A woman wearing a protective face mask shows a signs reading "Not male justice! True justice!" as demonstrators keep social distance by holding onto purple ribbons as they protest for women rights and against child abuse, amid the spread of the coronavirus disease (COVID-19), in Istanbul, Turkey, May 20, 2020. REUTERS/Umit Bektas

Women wearing protective face masks keep social distance by holding onto purple ribbons as they protest for women rights and against child abuse, amid the spread of the coronavirus disease (COVID-19), in Istanbul, Turkey, May 20, 2020. REUTERS/Umit Bektas

Women wearing protective face masks keep social distance by holding onto purple ribbons as they protest for women rights and against child abuse, amid the spread of the coronavirus disease (COVID-19), in Istanbul, Turkey, May 20, 2020. REUTERS/Umit Bektas

A man takes a selfie with yellow ribbons showing his support to the recall of Kaohsiung Mayor Han Kuo-yu in Taipei, Taiwan, May 20, 2020. REUTERS/Ann Wang

A man tights a yellow ribbon on his head to encourage people to vote to recall the Kaohsiung Mayor Han Kuo-yu in Taipei, Taiwan, May 20, 2020. REUTERS/Ann Wang

Organizers give out yellow ribbons encouraging people to vote to recall the Kaohsiung Mayor Han Kuo-yu in Taipei, Taiwan, May 20, 2020. REUTERS/Ann Wang

Organizers give out yellow ribbons encouraging people to vote to recall the Kaohsiung Mayor Han Kuo-yu in Taipei, Taiwan, May 20, 2020. REUTERS/Ann Wang

A woman bangs with a saucepan and a lid from her balcony, where she hung a Spanish flag with a black ribbon attached in remembrance of victims of the coronavirus disease (COVID-19), during a protest against the Spanish government's handling of the coronavirus disease (COVID-19) crisis, in Madrid, Spain May 16, 2020. REUTERS/Susana Vera

A black ribbon is pictured at an ambulance during the funeral of Sergio Bretado, 51, a stretcher-bearer of the Mexican Institute of Social Security (IMSS) who died of the coronavirus disease (COVID-19), at a cemetery in Ciudad Juarez, Mexico May 15, 2020. REUTERS/Jose Luis Gonzalez

Artist Bruce Munro works on installation 'Ribbon of Light', with wife Serena and children Tink and Tom, as a tribute to UK health and key workers, along a hilltop footpath, whilst under lockdown, following the outbreak of the coronavirus disease (COVID-19), near Warminster in Wiltshire, south west Britain, May 7, 2020. The 1.5 kilometre shimmering piece, being created with over 100 000 disused CDs, and attached along a stretch of fencing on the Long Knoll hillside, will take Bruce and family members several months to finish but, says the artist, will spread both joy to walkers exercising after lockdown ends and raise money for NHS workers. Picture taken May 7, 2020. REUTERS/Toby Melville

A walker views the installation 'Ribbon of Light', by artist Bruce Munro as a tribute to UK health and key workers, along a hilltop footpath, following the outbreak of the coronavirus disease (COVID-19), near Warminster in Wiltshire, south west Britain, May 7, 2020. The 1.5 kilometre shimmering piece, being created with over 100 000 disused CDs, and attached along a stretch of fencing on the Long Knoll hillside, will take Bruce and family members several months to finish but, says the artist, will spread both joy to walkers exercising after lockdown ends and raise money for NHS workers. Picture taken May 7, 2020. REUTERS/Toby Melville

Artist Bruce Munro poses for a portrait as he works on installation 'Ribbon of Light', as a tribute to UK health and key workers, along a hilltop footpath, whilst under lockdown, following the outbreak of the coronavirus disease (COVID-19), near Warminster in Wiltshire, south west Britain, May 7, 2020. The 1.5 kilometre shimmering piece, being created with over 100 000 disused CDs, and attached along a stretch of fencing on the Long Knoll hillside, will take Bruce and family members several months to finish but, says the artist, will spread both joy to walkers exercising after lockdown ends and raise money for NHS workers. Picture taken May 7, 2020. REUTERS/Toby Melville

Artist Bruce Munro poses for a portrait as he works on installation 'Ribbon of Light', as a tribute to UK health and key workers, along a hilltop footpath, whilst under lockdown, following the outbreak of the coronavirus disease (COVID-19), near Warminster in Wiltshire, south west Britain, May 7, 2020. The 1.5 kilometre shimmering piece, being created with over 100 000 disused CDs, and attached along a stretch of fencing on the Long Knoll hillside, will take Bruce and family members several months to finish but, says the artist, will spread both joy to walkers exercising after lockdown ends and raise money for NHS workers. Picture taken May 7, 2020. REUTERS/Toby Melville

The installation 'Ribbon of Light', by artist Bruce Munro as a tribute to UK health and key workers is seen along a hilltop footpath, following the outbreak of the coronavirus disease (COVID-19), near Warminster in Wiltshire, south west Britain, May 7, 2020. The 1.5 kilometre shimmering piece, being created with over 100 000 disused CDs, and attached along a stretch of fencing on the Long Knoll hillside, will take Bruce and family members several months to finish but, says the artist, will spread both joy to walkers exercising after lockdown ends and raise money for NHS workers. Picture taken May 7, 2020. REUTERS/Toby Melville

Artist Bruce Munro works on installation 'Ribbon of Light', as a tribute to UK health and key workers, along a hilltop footpath, whilst under lockdown, following the outbreak of the coronavirus disease (COVID-19), near Warminster in Wiltshire, south west Britain, May 7, 2020. The 1.5 kilometre shimmering piece, being created with over 100 000 disused CDs, and attached along a stretch of fencing on the Long Knoll hillside, will take Bruce and family members several months to finish but, says the artist, will spread both joy to walkers exercising after lockdown ends and raise money for NHS workers. Picture taken May 7, 2020. REUTERS/Toby Melville

Artist Bruce Munro works on installation 'Ribbon of Light', with his daughter Tink, as a tribute to UK health and key workers, along a hilltop footpath, whilst under lockdown, following the outbreak of the coronavirus disease (COVID-19), near Warminster in Wiltshire, south west Britain, May 7, 2020. The 1.5 kilometre shimmering piece, being created with over 100 000 disused CDs, and attached along a stretch of fencing on the Long Knoll hillside, will take Bruce and family members several months to finish but, says the artist, will spread both joy to walkers exercising after lockdown ends and raise money for NHS workers. Picture taken May 7, 2020. REUTERS/Toby Melville

Artist Bruce Munro works on installation 'Ribbon of Light', as a tribute to UK health and key workers, along a hilltop footpath, whilst under lockdown, following the outbreak of the coronavirus disease (COVID-19), near Warminster in Wiltshire, south west Britain, May 7, 2020. The 1.5 kilometre shimmering piece, being created with over 100 000 disused CDs, and attached along a stretch of fencing on the Long Knoll hillside, will take Bruce and family members several months to finish but, says the artist, will spread both joy to walkers exercising after lockdown ends and raise money for NHS workers. Picture taken May 7, 2020. REUTERS/Toby Melville

Artist Bruce Munro works on installation 'Ribbon of Light', as a tribute to UK health and key workers, along a hilltop footpath, whilst under lockdown, following the outbreak of the coronavirus disease (COVID-19), near Warminster in Wiltshire, south west Britain, May 7, 2020. The 1.5 kilometre shimmering piece, being created with over 100 000 disused CDs, and attached along a stretch of fencing on the Long Knoll hillside, will take Bruce and family members several months to finish but, says the artist, will spread both joy to walkers exercising after lockdown ends and raise money for NHS workers. Picture taken May 7. REUTERS/Toby Melville

Artist Bruce Munro works on installation 'Ribbon of Light', as a tribute to UK health and key workers, along a hilltop footpath, whilst under lockdown, following the outbreak of the coronavirus disease (COVID-19), near Warminster in Wiltshire, south west Britain, May 7, 2020. The 1.5 kilometre shimmering piece, being created with over 100 000 disused CDs, and attached along a stretch of fencing on the Long Knoll hillside, will take Bruce and family members several months to finish but, says the artist, will spread both joy to walkers exercising after lockdown ends and raise money for NHS workers. Picture taken May 7. REUTERS/Toby Melville

The installation 'Ribbon of Light', by artist Bruce Munro as a tribute to UK health and key workers is seen along a hilltop footpath, following the outbreak of the coronavirus disease (COVID-19), near Warminster in Wiltshire, south west Britain, May 7, 2020. The 1.5 kilometre shimmering piece, being created with over 100 000 disused CDs, and attached along a stretch of fencing on the Long Knoll hillside, will take Bruce and family members several months to finish but, says the artist, will spread both joy to walkers exercising after lockdown ends and raise money for NHS workers. Picture taken May 7, 2020. REUTERS/Toby Melville

The installation 'Ribbon of Light', by artist Bruce Munro as a tribute to UK health and key workers is seen along a hilltop footpath, following the outbreak of the coronavirus disease (COVID-19), near Warminster in Wiltshire, south west Britain, May 7, 2020. The 1.5 kilometre shimmering piece, being created with over 100 000 disused CDs, and attached along a stretch of fencing on the Long Knoll hillside, will take Bruce and family members several months to finish but, says the artist, will spread both joy to walkers exercising after lockdown ends and raise money for NHS workers. Picture taken May 7, 2020. REUTERS/Toby Melville

The installation 'Ribbon of Light', by artist Bruce Munro as a tribute to UK health and key workers is seen along a hilltop footpath, following the outbreak of the coronavirus disease (COVID-19), near Warminster in Wiltshire, south west Britain, May 7, 2020. The 1.5 kilometre shimmering piece, being created with over 100 000 disused CDs, and attached along a stretch of fencing on the Long Knoll hillside, will take Bruce and family members several months to finish but, says the artist, will spread both joy to walkers exercising after lockdown ends and raise money for NHS workers. Picture taken May 7, 2020. REUTERS/Toby Melville

Artist Bruce Munro works on installation 'Ribbon of Light', with his daughter Tink, as a tribute to UK health and key workers, along a hilltop footpath, whilst under lockdown, following the outbreak of the coronavirus disease (COVID-19), near Warminster in Wiltshire, south west Britain, May 7, 2020. The 1.5 kilometre shimmering piece, being created with over 100 000 disused CDs, and attached along a stretch of fencing on the Long Knoll hillside, will take Bruce and family members several months to finish but, says the artist, will spread both joy to walkers exercising after lockdown ends and raise money for NHS workers. Picture taken May 7, 2020. REUTERS/Toby Melville

Artist Bruce Munro works on installation 'Ribbon of Light', as a tribute to UK health and key workers, along a hilltop footpath, whilst under lockdown, following the outbreak of the coronavirus disease (COVID-19), near Warminster in Wiltshire, south west Britain, May 7, 2020. The 1.5 kilometre shimmering piece, being created with over 100 000 disused CDs, and attached along a stretch of fencing on the Long Knoll hillside, will take Bruce and family members several months to finish but, says the artist, will spread both joy to walkers exercising after lockdown ends, and raise money for NHS workers. Picture taken May 7, 2020. REUTERS/Toby Melville TPX IMAGES OF THE DAY

Paul Ramirez salutes while wearing a protective face mask and gloves at the newly dedicated "Ribbons of Remembrance" memorial at Lenoir Preserve, where people are encouraged to leave purple ribbons with names and messages honoring the more than 1,000 people of Westchester, New York, who have died during the outbreak of the coronavirus disease (COVID-19) in Yonkers, New York, U.S., May 7, 2020. REUTERS/Mike Segar

Paul Ramirez wears protective gloves as he ties a ribbon to the newly dedicated "Ribbons of Remembrance" memorial at Lenoir Preserve, where people are encouraged to leave purple ribbons with names and messages honoring the more than 1,000 people of Westchester, New York, who have died during the outbreak of the coronavirus disease (COVID-19) in Yonkers, New York, U.S., May 7, 2020. REUTERS/Mike Segar

A ribbon hangs from a tree branch at the newly dedicated "Ribbons of Remembrance" memorial at Lenoir Preserve, where people are encouraged to leave purple ribbons with names and messages honoring the more than 1,000 people of Westchester, New York, who have died during the outbreak of the coronavirus disease (COVID-19) in Yonkers, New York, U.S., May 7, 2020. REUTERS/Mike Segar

Ribbons hang from a tree branch at the newly dedicated "Ribbons of Remembrance" memorial at Lenoir Preserve, where people are encouraged to leave purple ribbons with names and messages honoring the more than 1,000 people of Westchester, New York, who have died during the outbreak of the coronavirus disease (COVID-19) in Yonkers, New York, U.S., May 7, 2020. REUTERS/Mike Segar

France's President Emmanuel Macron wears a protective face mask with a blue-white-red coloured ribbon as he gestures while speaking with schoolchildren during a visit to the Pierre de Ronsard elementary school in Poissy, France, May 5, 2020, as France readies to face an ease in the coronavirus lockdown measures. Ian Langsdon/Pool via REUTERS

France's President Emmanuel Macron wears a protective face mask with a blue-white-red coloured ribbon as speaks with schoolchildren during a visit to the Pierre de Ronsard elementary school in Poissy, France, May 5, 2020, as France readies to face an ease in the coronavirus lockdown measures. Ian Langsdon/Pool via REUTERS

France's President Emmanuel Macron wears a protective face mask with a blue-white-red coloured ribbon as he speaks with schoolchildren next to Mayor of Poissy Karl Olive in a class during a visit to the Pierre de Ronsard elementary school in Poissy, France, May 5, 2020, as France readies to face an ease in the coronavirus lockdown measures. Ian Langsdon/Pool via REUTERS

France's President Emmanuel Macron wears a protective face mask with a blue-white-red coloured ribbon as he stands next to Mayor of Poissy Karl Olive in a class during a visit to the Pierre de Ronsard elementary school in Poissy, France, May 5, 2020, as France readies to face an ease in the coronavirus lockdown measures. Ian Langsdon/Pool via REUTERS

France's President Emmanuel Macron wears a protective face mask with a blue-white-red coloured ribbon as he speaks with schoolchildren during a visit to the Pierre de Ronsard elementary school in Poissy, France, May 5, 2020, as France readies to face an ease in the coronavirus lockdown measures. Ian Langsdon/Pool via REUTERS

France's President Emmanuel Macron wears a protective face mask with a blue-white-red coloured ribbon as he arrives to speak with schoolchildren during a visit to the Pierre de Ronsard elementary school in Poissy, France, May 5, 2020, as France readies to face an ease in the coronavirus lockdown measures. Ian Langsdon/Pool via REUTERS

France's President Emmanuel Macron wears a protective face mask with a blue-white-red coloured ribbon as speaks with schoolchildren during a class during a visit to the Pierre de Ronsard elementary school in Poissy, France, May 5, 2020, as France readies to face an ease in the coronavirus lockdown measures. Ian Langsdon/Pool via REUTERS

France's President Emmanuel Macron wears a protective face mask with a blue-white-red coloured ribbon as he arrives to speak with schoolchildren during a visit to the Pierre de Ronsard elementary school in Poissy, France, May 5, 2020, as France readies to face an ease in the coronavirus lockdown measures. Ian Langsdon/Pool via REUTERS

France's President Emmanuel Macron wears a protective face mask with a blue-white-red coloured ribbon as he arrives to speak with schoolchildren during a visit to the Pierre de Ronsard elementary school in Poissy, France, May 5, 2020, as France readies to face an ease in the coronavirus lockdown measures. Ian Langsdon/Pool via REUTERS