Hong Kong Chief Executive Carrie Lam attends a news conference ahead of national security legislation, in Hong Kong, China June 30, 2020.

Singapore's Prime Minister Lee Hsien Loong of the ruling People's Action Party arrives at a nomination center ahead of the general election in Singapore June 30, 2020.

Coloured umbrellas are hanging on ropes over a square to advertise an upcoming wine festival at Berlin's Charlottenburg district in Berlin, Germany, June 30, 2020.

Democratic U.S. presidential candidate and former Vice President Joe Biden arrives to speak about the Trump administration's handling of the coronavirus disease pandemic during a campaign event in Wilmington, Delaware, U.S., June 30, 2020.

Riot police patrol at a shopping mall during a protest after China's parliament passes national security law for Hong Kong, in Hong Kong, China June 30, 2020.

A healthcare worker wearing personal protective equipment (PPE) waits to test residents during a medical campaign for the coronavirus disease (COVID-19) at a slum area in Mumbai, India, June 30, 2020.

French health workers attend a protest in Nice as part of a nationwide day of actions to urge the French government to improve wages and invest in public hospitals, in the wake of the coronavirus disease (COVID-19) crisis in France, June 30, 2020.

Lawyers gather in front of the Palace of Justice to protest against a draft bill governing the organisation of bar associations, in Istanbul, Turkey June 30, 2020.

New graves are seen at the Xico cemetery, as the coronavirus disease (COVID-19) outbreak continues, in Valle de Chalco, in the State of Mexico,, Mexico, Mexico June 29, 2020.

Flowers are placed at a stone with the inscription "How Fragile We Are" in memory of the nine men who lost their lives at Roskilde Festival on 30 June 2000 during a concert with US band Pearl Jam on Orange Stage, to mark the 20th anniversary of the accident in Roskilde, Denmark June 30, 2020. Due to the coronavirus disease (COVID-19), Roskilde Festival is cancelled this year. Ritzau Scanpix/via REUTERS

A child hits a punching bag as she attends a boxing training session at the Mathare North Boxing Club, after the government ordered closure of all schools due to the coronavirus disease (COVID-19) outbreak, in Nairobi Kenya June 17, 2020.

A medical worker wearing Personal Protective Equipment (PPE) relaxes in front of an air cooler, at a centre to conduct tests for the coronavirus disease (COVID-19), amidst the spread of the disease, in New Delhi, India, June 30, 2020.

Soccer Football - Serie A - Genoa v Juventus - Stadio Comunale Luigi Ferraris, Genoa, Italy - June 30, 2020 Juventus' Paulo Dybala celebrates scoring their first goal with Miralem Pjanic, as play resumes behind closed doors following the outbreak of the coronavirus disease (COVID-19).

Jan Claire Dorado, 30, a doctor assigned to the coronavirus disease (COVID-19) Emergency Room of East Avenue Medical Center, bonds with her mother and cat from behind the small plastic window on her makeshift isolation room to protect her family from potential exposure to the coronavirus disease (COVID-19), in Quezon City, Metro Manila, Philippines, June 26, 2020.

People line up to receive nucleic acid tests at a temporary testing site after a new outbreak of the coronavirus disease (COVID-19) in Beijing, China June 30, 2020.

A Palestinian boy pushes a cart as a truck sprays disinfectants on a street amid the coronavirus disease (COVID-19) outbreak in Hebron in the Israeli-occupied West Bank June 28, 2020.

Students take a university entrance exam in a hall of the Belgrade Fair, following the coronavirus disease (COVID-19) outbreak in Belgrade, Serbia, June 30, 2020.

Desert locusts fly near the town of Lodwar, Turkana county, Kenya, June 30, 2020.

A general view of the car market as people gather to buy vehicles before the expected increase of VAT to 15% in Riyadh, Saudi Arabia June 27, 2020.

A man wearing a protective face mask and gloves casts his ballot at a mobile polling station inside Kazansky railway terminal during a seven-day nationwide vote on constitutional reforms in Moscow, Russia June 30, 2020.

Demonstrators relax inside of an area being called the "City Hall Autonomous Zone" that has been established to protest the New York Police Department and in support of "Black Lives Matter" near City Hall in lower Manhattan, in New York City, U.S., June 30, 2020.

A child from the indigenous Yanomami ethnic group wearing protective face mask looks on, amid the spread of the coronavirus disease (COVID-19), at the 5th Special Frontier Platoon in the municipality of Auaris, state of Roraima, Brazil June 30, 2020.