Researcher Ivannia Calvo, silhouetted against a solar satellite image, works inside the Solar Astronomical Observatory in San Jose, Costa Rica, Friday, April 30, 2021. Costa Rica approved a law creating a space agency on Feb. 18. (Photo by Carlos Gonzalez/AP Photo)
Women wearing black clothing and face masks with radioactivity sign march under umbrellas in Minsk, on April 26, 2021, to commemorate the victims of the Chernobyl nuclear disaster on the 35th anniversary of the tragedy. (Photo by AFP Photo/Stringer)
World War II paratrooper veterans Jim “Pee Wee” Martin and Dan McBride walk across the droop zone at Pee Wee’s Jump Fest in Xenia, Ohio, U.S., on Friday, April 23, 2021. (Photo by Luke Sharrett for NBC News)
Turkish police officers try to detain a student as a woman pulls him away during a demonstration in support of Bogazici University students on April 1, 2021, at Kadikoy in Istanbul. Turkish police detained students protesting against the appointment by the Turkish president of a party loyalist as rector of the elite Bogazici University, and against the detention of dozens of fellow protesting students the previous week. (Photo by Bulent Kilic/AFP Photo)
A Christian carries a cross as he walks along the Via Dolorosa towards the Church of the Holy Sepulchre, traditionally believed by many to be the site of the crucifixion of Jesus Christ, during the Good Friday procession in Jerusalem’s old city, Friday, April 2, 2021. (Photo by Ariel Schalit/AP Photo)
Fireworks explode at police vehicles after being fired at police officers with a water cannon during clashes with nationalist youths in the Springfield Road area of Belfast on April 8, 2021 as disorder continued in the Northern Ireland capital following days of mainly loyalist violence. Northern Ireland police faced a barrage of petrol bombs and rocks on on April 8, an AFP journalist said, as violence once again flared on the republican side of the divided city Belfast despite pleas for calm. (Photo by Paul Faith/AFP Photo)
Trap de Cria artists Marcos Borges, known as “MbNaVoz”, center, Pablo “PBSant”, second right, and Fernando “Barbeirin”, right, hold Airsoft guns as cameraman Clayton Oliver, left, records a music video for the song “Se Tem Glock” in the Jardim Catarina community in Sao Gonçalo, Rio de Janeiro state, Brazil, Sunday, April 11, 2021. Trap de Cria has a lyrical flow over synthesized drums, and is comparable to U.S. gangsta rap in speaking to the day-to-day struggles of hardscrabble hoods while depicting gang life. (Photo by Felipe Dana/AP Photo)
Riot police detains a counter-protestor as people gather to protest in front of Russian embassy in Prague, Czech Republic, 18 April 2021. The Czech Republic allege that members of the Russian intelligence services were involved in an ammunition depot explosion in Vrbetice in 2014, Prime Minister Andrej Babis said during a press conference on 17 April 2021. Acting Czech Foreign Minister Jan Hamacek said 18 diplomats would be expelled from the Russian embassy in Prague and ordered to leave within 48 hours, after they were identified as members of the Russian secret services GRU and SVR. (Photo by Martin Divisek/EPA/EFE)
A woman flashes a V sign as police break up a social gathering during an operation against illegal and clandestine gatherings that authorities believe are partly responsible for fueling the spread of COVID-19, at a party hall in Sao Paulo, Brazil, early Saturday, April 17, 2021. (Photo by Marcelo Chello/AP Photo)
A Ethiopian Christian worshipper attends the Christian Orthodox Palm Sunday procession at the Church of the Holy Sepulchre in the Old City of Jerusalem, Israel, 25 April 2021. The week of 25 April thru 02 May, about 300 million Orthodox Christians worldwide will be observing Holy Week. Palm Sunday in many Christian churches symbolically marks the biblical account of the entry of Jesus Christ into Jerusalem, signaling the start of the Holy Week before Easter. (Photo by Abir Sultan/EPA/EFE)
A woman walks through the rainbow-colored Paseo Bandera in Santiago, Chile, Tuesday, April 27, 2021, empty of visitors amid the new coronavirus pandemic. (Photo by Esteban Felix/AP Photo)
An exhausted Haley Agnew wipes sweat from her brow as she works with fellow firefighters on Slieve Donard mountain on April 24, 2021 in Newcastle, Northern Ireland. The Northern Ireland Fire and Rescue Service have been tackling the moorland and gorse fire on the slopes of Slieve Donard since Friday and have now declared the blaze a major incident. Police have urged members of the public to stay away from the area as firefighters assisted by helicopters from the Irish Air Corp continue to tackle the fire. (Photo by Charles McQuillan/Getty Images)
