A gull swims as the reflection of a sunlit building colors the waters of Portland Harbor, in Portland, Maine.

Nurses wearing protective face coverings take part in a protest with signs that have the names of healthcare professionals who have died fromCOVID-19, in Brasilia, Brazil, May 12, 2020.

22 year-old Matahi Drollet surfs at Teahupoo off the coast of Tahiti in French Polynesia, May 11, 2020.

Antoinette van Zalinge, principal of the public elementary school De Notenkraker, welcomes students in Amsterdam, Netherlands, as primary schools, barber shops and libraries reopen after a partial lockdown because of the COVID-19 outbreak.

People surf on a beach reopened for sport activities after the coronavirus lockdown in Barcelona, Spain, May 9, 2020.

A woman wears a protective face mask during food distribution, as South Africa starts to relax some aspects of a stringent nationwide coronavirus disease (COVID-19) lockdown, in Diepsloot near Johannesburg.

The full moon sets behind trees in the Taunus region near Frankfurt, Germany.

People sell watermelons at a fruit market in Peshawar, Pakistan.

Saudi security officers stand in front of the Kaaba at the Grand Mosque as a preventive measure against COVID-19, during the Islamic​ holy month of Ramadan, in Mecca, Saudi Arabia.

Commuters crowd Cadorna train station in Milan, Italy, as the government eased restrictions and Italians returned to work.

An Indian Air Force helicopter showers flower petals on the staff of INS Asvini hospital in Mumbai.

Penguins Momo and Omochi are seen during a media event ahead of a series of free online animal shows for children and families staying at home during Golden Week holidays due to the coronavirus disease (COVID-19) lockdown, at the Aqua Park Shinagawa in Tokyo, Japan.

A fox walks in Downing Street, London, as Britain remains in lockdown due to the coronavirus.

Handout picture released on April 25, 2020 by El Salvador's Presidency press office showing inmates at the Izalco prison, northwest of San Salvador, are seen during a security operation after President Nayib Bukele decreed a maximum emergency in all penitentiary centers housing gang members.

A boarding school student and an official use a telescope and a monocular to view the moon on the roof of Al Musariin mosque to mark the first day of Ramadan in Jakarta, Indonesia.