NASA astronauts Doug Hurley and Bob Behnken greet their families before the launch of a SpaceX Falcon 9 rocket and Crew Dragon spacecraft at the Kennedy Space Center, in Cape Canaveral, Florida, U.S., May 27, 2020. (Photo by Joe Skipper/Reuters)





People hold a minute of silence for the victims of COVID-19 at Sol square in downtown Madrid, Spain, Wednesday, May 27, 2020. Flags are flying at half-mast on more than 14,000 public buildings in Spain as the European nation holds its first of 10 days of national mourning for the victims of the coronavirus. (Photo by Manu Fernandez/AP Photo)





In this aerial photo taken with a drone, newly made social distancing circles are seen in a park on the last day of the Muslim holiday of Eid al-Fitr during a four-day lockdown to help stop the spread of the coronavirus on May 26, 2020 in Istanbul, Turkey. Under normal circumstances families visit their family members and loved ones during the Eid, however due to the pandemic lockdowns all Eid celebrations were cancelled this year despite dropping infection rates. As of May 26, Turkey has reported 4397 coronavirus-related deaths and 158,762 confirmed cases. (Photo by Chris McGrath/Getty Images)





An Azeri law enforcement officer distributes free reusable face masks on a bus during the pandemic of the novel coronavirus disease (COVID-19) in Baku, Azerbaijan on May 27, 2020. The coronavirus outbreak has infected more than 5 million people across the world. Azerbaijan has reported 4,403 cases of COVID-19 and 52 deaths.(Photo by Aziz Karimov/Getty Images)





Workers wearing protective facemasks react on the construction site of the Philippe Chatrier central tennis court and of its newly built roof, at the Roland Garros stadium, in Paris on May 27, 2020. The Roland Garros 2020 French Open tennis tournament should have started on May 24, 2020, instead, it will be held between September 20 and October 4, 2020 due to the COVID-19 pandemic. (Photo by Franck Fife/AFP Photo)





People sit on a terrace in a beach in Barcelona, Spain, on Wednesday, May 27, 2020. Roughly half of the population, including residents in the biggest cities of Madrid and Barcelona, are entering phase 1, which allows social gatherings in limited numbers, restaurant and bar service with outdoor sitting and some cultural and sports activities. (Photo by Emilio Morenatti/AP Photo)





People wearing face masks to protect against the spread of the new coronavirus keep social distancing in a train in Yokohama, near Tokyo, Thursday May 28, 2020. Japanese Prime Minister Shinzo Abe lifted a coronavirus state of emergency on Monday, ending the restrictions nationwide as businesses begin to reopen. (Photo by Koji Sasahara/AP Photo)





Fans watch a soccer match between Sparta Prague and Viktoria Plzen at a drive-in cinema, as the Czech top-tier soccer competition resumes after a two-month shutdown caused by the measures taken to curb the coronavirus disease (COVID-19) outbreak in Prague, Czech Republic, May 27, 2020. (Photo by David W. Cerny/Reuters)





An employee carries chairs from the rows of seats in the auditorium of the Berliner Ensemble on May 27, 2020. Due to the contact restrictions during the corona pandemic, individual seats will be removed for future performances. (Photo by Britta Pedersen/dpa-Zentralbild/dpa)





Patients exercise on the balconies at a training center, which has been converted into a quarantine house, in Tangerang, on the outskirts of Jakarta, Indonesia, amid the coronavirus disease (COVID-19) outbreak, May 28, 2020. (Photo by WIlly Kurniawan/Reuters)





A woman wearing face mask and face shield to help curb the spread of the new coronavirus, checks surgical gown at a packing session at a garment factory Thursday, May 28, 2020, at Industrial Zone in Yangon, Myanmar. Despite a poor public health infrastructure and crowded urban areas, Myanmar has reported a surprising low number of COVID-19 cases, with just a little over 200 confirmed and a few deaths. (Photo by Thein Zaw/AP Photo)





A man and a woman demonstrate dining under a plastic shield Wednesday, May 27, 2020 in a restaurant of Paris. As restaurants in food-loving France prepare to reopen, some are investing in lampshade-like plastic shields to protect diners from the virus. The strange-looking contraptions are among experiments restaurants are trying around the world as they try to lure back clientele while keeping them virus-free. (Photo by Thibault Camus/AP Photo)





A man designs a face mask with the photograph of a customer printed on it, amid the spread of the coronavirus disease (COVID-19), at a photo studio in Gandhinagar, India, May 27, 2020. (Photo by Amit Dave/Reuters)





Masked graduates and guests take photos as the New Orleans Charter Science and Math High School class of 2020 holds a drive-in graduation ceremony as a result of the COVID-19 pandemic, outside Delgado Community College in New Orleans, Wednesday, May 27, 2020. Students and family got out of their cars to receive diplomas one by one, and then held a parade of cars through city streets. (Photo by Gerald Herbert/AP Photo)





Artists of the Upsala Circus perform for children with developmental disorders staying home amid the COVID-19 coronavirus pandemic in St Petersburg, Russia on May 27, 2020. The campaign is organized by the Perspektiva (Prospect) charity organization to mark International Children's Day. (Photo by Peter Kovalev/TASS)