A view of the fireworks during the Edge at Hudson Yard's 4th of July Celebration at Edge at Hudson Yards on July 04, 2021 in New York City. (Photo by Roy Rochlin/Getty Images for Edge at Hudson Yards)

Ivanelis Jimenez, front, and Veronica Barreto pose for the camera wearing Puerto Rican flag dresses as they welcome passengers exiting Carnival's Mardi Gras cruise ship, docked in the bay of San Juan, Puerto Rico, Tuesday, August 3, 2021, marking the first time a cruise ship visits the U.S. territory since the COVID-19 pandemic began. (Photo by Carlos Giusti/AP Photo)

Rescuers carry an injured passenger on stretcher at Soshigaya Okura Station after stabbing on a commuter train, in Tokyo Friday night, August 6, 2021. A man with a knife attacked 10 passengers on a commuter train in Tokyo on Friday and was arrested by police after fleeing, fire department officials and news reports said. (Photo by Kyodo News via AP Photo)

Smoke billows from the Mt Etna volcano as seen from Linguaglossa, Sicily on Monday, August 9, 2021. Europe's most active volcano remains active scattering ashes around a vastly populated area on its slopes. (Photo by Marco Restivo/Barcroft Media via Getty Images)

A woman cools off at a fountain in central Cordoba, southern Spain, 11 August 2021. Andalucia was put on orange alert for high temperatures, with a new heatwave forecast to reach temperatures of over 41 degrees Celsius in the region. (Photo by Salas/EPA/EFE)

People wearing face masks to protect against the spread of the coronavirus walk on a crossing in Tokyo Tuesday, August 17, 2021. Japan’s coronavirus state of emergency will continue through Sept. 12 rather than finishing at the end of this month as initially planned, the government decided Monday. (Photo by Koji Sasahara/AP Photo)

A morgue attendant at the Johannesburg branch of the South African funeral and burial services company Avbob keeps the curtain open from inside a refrigerated container where bodies of patients deceased with COVID-19 related illnesses are kept isolated ahead of their burials on January 22, 2021. (Photo by Marco Longari/AFP Photo)

A man is arrested by Police during clashes in Rotterdam, The Netherlands, 25 January 2021. Police's mobile unit is present and has carried out charges to clear the street. Some arrests have also been made and a water cannon has been used. Nationwide protest against coronavirus restrictions and curfew imposed by Dutch government broke out during the weekend in many Dutch cities, leading to some violent riots and clashes with Police. (Photo by Marco de Swart/EPA/EFE)