A man is seen on a jet ski in the sea off Brighton as restrictions on watersports have been lifted since the lockdown following the outbreak of the coronavirus disease (COVID-19), Brighton, Britain, May 14, 2020. REUTERS/Toby Melville

People jet ski in the sea off Brighton as restrictions on watersports have been lifted since the lockdown following the outbreak of the coronavirus disease (COVID-19), Brighton, Britain, May 14, 2020. REUTERS/Toby Melville

Caroline Rawle, a teacher, dries off following her early morning swim in the sea, as English lockdown restrictions are partially lifted following the outbreak of the coronavirus disease (COVID-19), Brighton, Britain, May 14, 2020. REUTERS/Toby Melville

A SpaceX Falcon 9 rocket lifts off from pad 39A with the seventh batch of SpaceX broadband network satellites, at the Kennedy Space Center, in Cape Canaveral, Florida, U.S., April 22, 2020. REUTERS/Joe Skipper

A SpaceX Falcon 9 rocket lifts off from pad 39A with the seventh batch of SpaceX broadband network satellites, at the Kennedy Space Center, in Cape Canaveral, Florida, U.S., April 22, 2020. REUTERS/Joe Skipper

A SpaceX Falcon 9 rocket lifts off from pad 39A with the seventh batch of SpaceX broadband network satellites, at the Kennedy Space Center, in Cape Canaveral, Florida, U.S., April 22, 2020. REUTERS/Joe Skipper

A SpaceX Falcon 9 rocket lifts off from pad 39A with the seventh batch of SpaceX broadband network satellites, at the Kennedy Space Center, in Cape Canaveral, Florida, U.S., April 22, 2020. REUTERS/Joe Skipper

A SpaceX Falcon 9 rocket lifts off from pad 39A with the seventh batch of SpaceX broadband network satellites, at the Kennedy Space Center, in Cape Canaveral, Florida, U.S., April 22, 2020. REUTERS/Joe Skipper TPX IMAGES OF THE DAY

A SpaceX Falcon 9 rocket lifts off from pad 39A with the seventh batch of SpaceX broadband network satellites, at the Kennedy Space Center, in Cape Canaveral, Florida, U.S., April 22, 2020. REUTERS/Joe Skipper

A children's merry-go-round is seen cordoned off during lockdown amid the coronavirus disease (COVID-19) outbreak, in Madrid, Spain, March 22, 2020. Children in Spain, which has one of the strictest lockdowns in Europe, have been confined in their homes for over a month now, prompting some pediatrics experts to ask to lift the restrictions slightly over concerns over the children?s wellbeing. Picture taken March 22, 2020. REUTERS/Susana vera

A bench is cordoned off with police tape at a children's playground during lockdown amid the coronavirus disease (COVID-19) outbreak, in Madrid, Spain, March 22, 2020. Children in Spain, which has one of the strictest lockdowns in Europe, have been confined in their homes for over a month now, prompting some pediatrics experts to ask to lift the restrictions slightly over concerns over the children?s wellbeing. Picture taken March 22, 2020. REUTERS/Susana vera

A fronton (court wall) is cordoned off during lockdown amid the coronavirus disease (COVID-19) outbreak, in Madrid, Spain, April 15, 2020. Children in Spain, which has one of the strictest lockdowns in Europe, have been confined in their homes for over a month now, prompting some pediatrics experts to ask to lift the restrictions slightly over concerns over the children?s wellbeing. REUTERS/Susana vera

A spring rider is cordoned off at a children's playground during lockdown amid the coronavirus disease (COVID-19) outbreak, in Madrid, Spain, April 15, 2020. Children in Spain, which has one of the strictest lockdowns in Europe, have been confined in their homes for over a month now, prompting some pediatrics experts to ask to lift the restrictions slightly over concerns over the children?s wellbeing. REUTERS/Susana vera

Empty swings are seen at a cordoned off children's playground during lockdown amid the coronavirus disease (COVID-19) outbreak, in Madrid, Spain, April 15, 2020. Children in Spain, which has one of the strictest lockdowns in Europe, have been confined in their homes for over a month now, prompting some pediatrics experts to ask to lift the restrictions slightly over concerns over the children?s wellbeing. REUTERS/Susana vera

A children's playground is cordoned off during lockdown amid the coronavirus disease (COVID-19) outbreak, in Madrid, Spain, April 15, 2020. Children in Spain, which has one of the strictest lockdowns in Europe, have been confined in their homes for over a month now, prompting some pediatrics experts to ask to lift the restrictions slightly over concerns over the children’s wellbeing. REUTERS/Susana vera

A tree is cordoned off with police tape at the entrance of a children's playground during lockdown amid the coronavirus disease (COVID-19) outbreak, in Madrid, Spain, March 22, 2020. Children in Spain, which has one of the strictest lockdowns in Europe, have been confined in their homes for over a month now, prompting some pediatrics experts to ask to lift the restrictions slightly over concerns over the children?s wellbeing. Picture taken March 22, 2020. REUTERS/Susana vera

A children's playground is seen cordoned off during lockdown amid the coronavirus disease (COVID-19) outbreak, in Madrid, Spain, March 22, 2020. Children in Spain, which has one of the strictest lockdowns in Europe, have been confined in their homes for over a month now, prompting some pediatrics experts to ask to lift the restrictions slightly over concerns over the children’s wellbeing. Picture taken March 22, 2020. REUTERS/Susana vera

A court used for basketball and soccer is cordoned off with police tape during lockdown amid the coronavirus disease (COVID-19) outbreak, in Madrid, Spain, April 9, 2020. Children in Spain, which has one of the strictest lockdowns in Europe, have been confined in their homes for over a month now, prompting some pediatrics experts to ask to lift the restrictions slightly over concerns over the children’s wellbeing. Picture taken April 9, 2020. REUTERS/Susana vera

A tree is cordoned off with police tape at the entrance of a children's playground during lockdown amid the coronavirus disease (COVID-19) outbreak, in Madrid, Spain, March 22, 2020. Children in Spain, which has one of the strictest lockdowns in Europe, have been confined in their homes for over a month now, prompting some pediatrics experts to ask to lift the restrictions slightly over concerns over the children?s wellbeing. Picture taken March 22, 2020. REUTERS/Susana vera

Police tape cordons off a football goal during lockdown amid the coronavirus disease (COVID-19) outbreak, in Madrid, Spain, April 15, 2020. Children in Spain, which has one of the strictest lockdowns in Europe, have been confined in their homes for over a month now, prompting some pediatrics experts to ask to lift the restrictions slightly over concerns over the children?s wellbeing. REUTERS/Susana vera

Police tape cordons off a playground climber during lockdown amid the coronavirus disease (COVID-19) outbreak, in Madrid, Spain, April 15, 2020. Children in Spain, which has one of the strictest lockdowns in Europe, have been confined in their homes for over a month now, prompting some pediatrics experts to ask to lift the restrictions slightly over concerns over the children’s wellbeing. REUTERS/Susana vera

A children's playground is seen cordoned off during lockdown amid the coronavirus disease (COVID-19) outbreak, in Madrid, Spain, March 16, 2020. Children in Spain, which has one of the strictest lockdowns in Europe, have been confined in their homes for over a month now, prompting some pediatrics experts to ask to lift the restrictions slightly over concerns over the children?s wellbeing. Picture taken March 16, 2020. REUTERS/Susana vera

Michael Dasher, Sr., uses tongs to lift oysters from the bottom of Apalachicola Bay onto the boat of his son Michael Dasher, Jr., as they work off Eastpoint, Florida, U.S. February 11, 2020. Picture taken February 11, 2020. REUTERS/Colin Hackley

Michael Dasher, Sr., lifts tongs full of oysters from the bottom of Apalachicola Bay as he works with his son Michael Dasher, Jr., in a boat off Eastpoint, Florida, U.S. February 11, 2020. Picture taken February 11, 2020. REUTERS/Colin Hackley

The Solar Orbiter spacecraft, built for NASA and the European Space Agency, lifts off from pad 41 aboard a United Launch Alliance Atlas V rocket as the full moon is seen above at the Cape Canaveral Air Force Station in Cape Canaveral, Florida, U.S., February 9, 2020. REUTERS/Joe Rimkus Jr.

The Solar Orbiter spacecraft, built for NASA and the European Space Agency, lifts off from pad 41 aboard a United Launch Alliance Atlas V rocket at the Cape Canaveral Air Force Station in Cape Canaveral, Florida, U.S., February 9, 2020. REUTERS/Steve Nesius

The Solar Orbiter spacecraft, built for NASA and the European Space Agency, lifts off from pad 41 aboard a United Launch Alliance Atlas V rocket at the Cape Canaveral Air Force Station in Cape Canaveral, Florida, U.S., February 9, 2020. REUTERS/Joe Skipper

The Solar Orbiter spacecraft, built for NASA and the European Space Agency, lifts off from pad 41 aboard a United Launch Alliance Atlas V rocket at the Cape Canaveral Air Force Station in Cape Canaveral, Florida, U.S., February 9, 2020. REUTERS/Steve Nesius

The Solar Orbiter spacecraft, built for NASA and the European Space Agency, lifts off from pad 41 aboard a United Launch Alliance Atlas V rocket at the Cape Canaveral Air Force Station in Cape Canaveral, Florida, U.S., February 9, 2020. REUTERS/Joe Skipper

The Solar Orbiter spacecraft, built for NASA and the European Space Agency, lifts off from pad 41 aboard a United Launch Alliance Atlas V rocket at the Cape Canaveral Air Force Station in Cape Canaveral, Florida, U.S., February 9, 2020. REUTERS/Joe Skipper

The Solar Orbiter spacecraft, built for NASA and the European Space Agency, lifts off from pad 41 aboard a United Launch Alliance Atlas V rocket at the Cape Canaveral Air Force Station in Cape Canaveral, Florida, U.S., February 9, 2020. REUTERS/Joe Skipper

The Solar Orbiter spacecraft, built for NASA and the European Space Agency, lifts off from pad 41 aboard a United Launch Alliance Atlas V rocket at the Cape Canaveral Air Force Station in Cape Canaveral, Florida, U.S., February 9, 2020. REUTERS/Joe Skipper

The Solar Orbiter spacecraft, built for NASA and the European Space Agency, lifts off from pad 41 aboard a United Launch Alliance Atlas V rocket at the Cape Canaveral Air Force Station in Cape Canaveral, Florida, U.S., February 9, 2020. REUTERS/Joe Skipper TPX IMAGES OF THE DAY

The Solar Orbiter spacecraft, built for NASA and the European Space Agency, lifts off from pad 41 aboard a United Launch Alliance Atlas V rocket at the Cape Canaveral Air Force Station in Cape Canaveral, Florida, U.S., February 9, 2020. The full moon is shown above. REUTERS/Joe Skipper TPX IMAGES OF THE DAY

The Solar Orbiter spacecraft, built for NASA and the European Space Agency, lifts off from pad 41 aboard a United Launch Alliance Atlas V rocket at the Cape Canaveral Air Force Station in Cape Canaveral, Florida, U.S., February 9, 2020. The full moon is shown above. REUTERS/Joe Skipper

The Solar Orbiter spacecraft, built for NASA and the European Space Agency, lifts off from pad 41 aboard a United Launch Alliance Atlas V rocket at the Cape Canaveral Air Force Station in Cape Canaveral, Florida, U.S., February 9, 2020. REUTERS/Steve Nesius TPX IMAGES OF THE DAY

The Solar Orbiter spacecraft, built for NASA and the European Space Agency, lifts off from pad 41 aboard a United Launch Alliance Atlas V rocket at the Cape Canaveral Air Force Station in Cape Canaveral, Florida, U.S., February 9, 2020. REUTERS/Steve Nesius

The Solar Orbiter spacecraft, built for NASA and the European Space Agency, lifts off from pad 41 aboard a United Launch Alliance Atlas V rocket at the Cape Canaveral Air Force Station in Cape Canaveral, Florida, U.S., February 9, 2020. REUTERS/Steve Nesius

Colombian Army UH-60 Black Hawk helicopters lift off during a military exercise between the U.S. Army's 82nd Airborne Division and the Colombian Army's 2nd Special Forces Battalion at the Tolemaida base, Colombia January 26, 2020. REUTERS/Jonathan Drake

A SpaceX Falcon 9 rocket engine self-destructs after jettisoning the Crew Dragon astronaut capsule during an in-flight abort test, a key milestone before flying humans in 2020 under NASA's commercial crew program, after lift off from the Kennedy Space Center in Cape Canaveral, Florida, U.S. January 19, 2020. REUTERS/Joe Rimkus Jr

A SpaceX Falcon 9 rocket engine self-destructs after jettisoning the Crew Dragon astronaut capsule during an in-flight abort test, a key milestone before flying humans in 2020 under NASA's commercial crew program, after lift off from the Kennedy Space Center in Cape Canaveral, Florida, U.S. January 19, 2020. REUTERS/Joe Rimkus Jr

A SpaceX Falcon 9 rocket engine self-destructs after jettisoning the Crew Dragon astronaut capsule during an in-flight abort test, a key milestone before flying humans in 2020 under NASA's commercial crew program, after lift off from the Kennedy Space Center in Cape Canaveral, Florida, U.S. January 19, 2020. REUTERS/Joe Rimkus Jr

A SpaceX Falcon 9 rocket engine self-destructs after jettisoning the Crew Dragon astronaut capsule during an in-flight abort test, a key milestone before flying humans in 2020 under NASA's commercial crew program, after lift off from the Kennedy Space Center in Cape Canaveral, Florida, U.S. January 19, 2020. REUTERS/Joe Rimkus Jr

A SpaceX Falcon 9 rocket engine self-destructs after jettisoning the Crew Dragon astronaut capsule during an in-flight abort test, a key milestone before flying humans in 2020 under NASA's commercial crew program, after lift off from the Kennedy Space Center in Cape Canaveral, Florida, U.S. January 19, 2020. REUTERS/Joe Rimkus Jr

A SpaceX Falcon 9 rocket engine self-destructs after jettisoning the Crew Dragon astronaut capsule during an in-flight abort test, a key milestone before flying humans in 2020 under NASA's commercial crew program, after lift off from the Kennedy Space Center in Cape Canaveral, Florida, U.S. January 19, 2020. REUTERS/Joe Rimkus Jr TPX IMAGES OF THE DAY

A SpaceX Falcon 9 rocket, carrying the Crew Dragon astronaut capsule, lifts off on an in-flight abort test , a key milestone before flying humans in 2020 under NASA's commercial crew program, from the Kennedy Space Center in Cape Canaveral, Florida, U.S. January 19, 2020. REUTERS/Joe Skipper

A SpaceX Falcon 9 rocket, carrying the Crew Dragon astronaut capsule, lifts off on an in-flight abort test , a key milestone before flying humans in 2020 under NASA's commercial crew program, from the Kennedy Space Center in Cape Canaveral, Florida, U.S. January 19, 2020. REUTERS/Joe Skipper

A SpaceX Falcon 9 rocket, carrying the Crew Dragon astronaut capsule, lifts off on an in-flight abort test , a key milestone before flying humans in 2020 under NASA's commercial crew program, from the Kennedy Space Center in Cape Canaveral, Florida, U.S. January 19, 2020. REUTERS/Steve Nesius

A SpaceX Falcon 9 rocket, carrying the Crew Dragon astronaut capsule, lifts off on an in-flight abort test , a key milestone before flying humans in 2020 under NASA's commercial crew program, from the Kennedy Space Center in Cape Canaveral, Florida, U.S. January 19, 2020. REUTERS/Steve Nesius

A SpaceX Falcon 9 rocket, carrying the Crew Dragon astronaut capsule, lifts off on an in-flight abort test , a key milestone before flying humans in 2020 under NASA's commercial crew program, from the Kennedy Space Center in Cape Canaveral, Florida, U.S. January 19, 2020. REUTERS/Steve Nesius

A SpaceX Falcon 9 rocket, carrying the Crew Dragon astronaut capsule, lifts off on an in-flight abort test , a key milestone before flying humans in 2020 under NASA's commercial crew program, from the Kennedy Space Center in Cape Canaveral, Florida, U.S. January 19, 2020. REUTERS/Thom Baur

A SpaceX Falcon 9 rocket, carrying the Crew Dragon astronaut capsule, lifts off on an in-flight abort test , a key milestone before flying humans in 2020 under NASA's commercial crew program, from the Kennedy Space Center in Cape Canaveral, Florida, U.S. January 19, 2020. REUTERS/Thom Baur

A SpaceX Falcon 9 rocket, carrying the Crew Dragon astronaut capsule, lifts off on an in-flight abort test , a key milestone before flying humans in 2020 under NASA's commercial crew program, from the Kennedy Space Center in Cape Canaveral, Florida, U.S. January 19, 2020. REUTERS/Joe Skipper

A SpaceX Falcon 9 rocket, carrying the Crew Dragon astronaut capsule, lifts off on an in-flight abort test , a key milestone before flying humans in 2020 under NASA's commercial crew program, from the Kennedy Space Center in Cape Canaveral, Florida, U.S. January 19, 2020. REUTERS/Joe Skipper

Somali farmers lift a plastic sheeting to fend off desert locusts in a grazing land on the outskirt of Dusamareb in Galmudug region, Somalia December 21, 2019. REUTERS/Feisal Omar

The Boeing CST-100 Starliner spacecraft, atop a ULA Atlas V rocket, lifts off for an uncrewed Orbital Flight Test to the International Space Station from launch complex 40 at the Cape Canaveral Air Force Station in Cape Canaveral, Florida December 20, 2019. REUTERS/Joe Skipper

The Boeing CST-100 Starliner spacecraft, atop a ULA Atlas V rocket, lifts off for an uncrewed Orbital Flight Test to the International Space Station from launch complex 40 at the Cape Canaveral Air Force Station in Cape Canaveral, Florida December 20, 2019. REUTERS/Thom Baur

The Boeing CST-100 Starliner spacecraft, atop a ULA Atlas V rocket, lifts off for an uncrewed Orbital Flight Test to the International Space Station from launch complex 40 at the Cape Canaveral Air Force Station in Cape Canaveral, Florida December 20, 2019. REUTERS/Joe Skipper

The Boeing CST-100 Starliner spacecraft, (above) on a ULA Atlas V rocket, lifts off for an uncrewed Orbital Flight Test to the International Space Station from launch complex 40 at the Cape Canaveral Air Force Station in Cape Canaveral, Florida December 20, 2019. REUTERS/Joe Skipper

The Boeing CST-100 Starliner spacecraft, atop a ULA Atlas V rocket, lifts off for an uncrewed Orbital Flight Test to the International Space Station from launch complex 40 at the Cape Canaveral Air Force Station in Cape Canaveral, Florida December 20, 2019. REUTERS/Thom Baur