An aerial view of the scene after an elevated section of metro track in Mexico City, carrying train cars with passengers, collapsed onto a busy road on May 03, 2021 in Mexico City, Mexico. The Line 12 accident happened as the metro train was traveling between Olivos and Tezonco Metro stations, reportedly killing at least 20 people and injuring further 70. (Photo by Hector Vivas/Getty Images)





A rescue worker stands in front of a car trapped under an overpass for a metro that partially collapsed with train cars on it at Olivos station in Mexico City, Mexico, May 4, 2021. (Photo by Luis Cortes/Reuters)





Subway cars dangle at an angle from a collapsed elevated section of the metro, in Mexico City, Tuesday, May 4, 2021. The elevated section of the metro's Line 12 collapsed late Monday killing at least 23 people and injuring at least 79, city officials said. (Photo by Fernando Llano/AP Photo)





People take photos of subway cars dangling at an angle from a collapsed elevated section of the metro, in Mexico City, Tuesday, May 4, 2021. (Photo by Fernando Llano/AP Photo)





Protesting women shout slogans during a demonstration against sexual violence in front of the governor's mansion in San Juan, Puerto Rico on May 3, 2021. The demonstrators denounce the inaction and slowness of the state in implementing the executive order declaring a state of emergency against gender-based violence. (Photo by Ricardo Arduengo/AFP Photo)





Spanish far-right Vox party candidate for Madrid regional presidency Rocio Monasterio, centre left, arrives to cast her vote during the regional election in Madrid, Spain, Tuesday, May 4, 2021. Madrid residents are voting for a new regional assembly in an election that tests the depths of resistance to lockdown measures and the divide between left and right-wing parties. Polling stations opened at 9 a.m. Tuesday with strict requirements to prevent the spread of the coronavirus. (Photo by Manu Fernandez/AP Photo)





Supporters of conservative Madrid president Isabel Diaz Ayuso wave flags outside the popular party headquarters in Madrid, Spain, Tuesday, May 4, 2021. Over 5 million Madrid residents have voted for a new regional assembly in an election that tests the depths of resistance to lockdown measures and the divide between left and right-wing parties. (Photo by Bernat Armangue/AP Photo)





The incumbent conservative Madrid president Isabel Diaz Ayuso casts her vote during the regional election in Madrid, Spain, Tuesday, May 4, 2021. (Photo by ernat Armangue/AP Photo)





Relatives bury the body of a COVID-19 victim at a graveyard in New Delhi, India, Tuesday, May 4, 2021. India's official count of coronavirus cases surpassed 20 million Tuesday, nearly doubling in the past three months, while deaths officially have passed 220,000. Staggering as those numbers are, the true figures are believed to be far higher, the undercount an apparent reflection of the troubles in the health care system. (Photo by Ishant Chauhan/AP Photo)





A patient collapses as is rushed on a cycle rickshaw outside a Gurudwara (Sikh Temple) which provides free oxygen to patients under a tent installed along a roadside amid COVID-19 coronavirus pandemic in Ghaziabad on May 4, 2021. (Photo by Money Sharma/AFP Photo)





Health workers carry the body of a person who died of COVID-19 outside a field hospital in Mumbai, India, Tuesday, May 4, 2021. COVID-19 infections and deaths are mounting with alarming speed in India with no end in sight to the crisis. (Photo by Rafiq Maqbool/AP Photo)





Relatives perform the last rites for COVID-19 victims during their funeral at a mass cremation ground in Giddenahalli on the outskirts of Bangalore, India, 03 May 2021 (issued 04 May 29021). India recorded a massive surge of 357,229 fresh COVID-19 cases and 3,449 deaths in the last 24 hours. (Photo by Jagadeesh N.V./EPA/EFE)





A healthcare worker provides care for a COVID-19 patient in the Intensive Care Unit (ICU) at the Centre Cardiologique du Nord private hospital in Saint-Denis, near Paris, amid the coronavirus disease pandemic in France, May 4, 2021. (Photo by Benoit Tessier/Reuters)





A patient suffering from coronavirus disease (COVID-19) is transferred from an ambulance towards the hospital as the major second coronavirus wave surges in Kathmandu, Nepal on May 4, 2021. (Photo by Navesh Chitrakar/Reuters)





A merchant of the “Corazon Solidario” fair, wearing a Chilean traditional hat known as a Chupalla, prepare boxes with vegetables and fruits for those facing economic hardship due to the COVID-19 pandemic in Santiago, Chile, Monday, May 3, 2021. The “Corazon Solidario” fair is a 12-year-old nonprofit where volunteers help during disasters. (Photo by Esteban Felix/AP Photo)





A medical worker gives a shot of Chinese Sinopharm COVID-19 vaccine to a woman during the vaccination in Podgorica, Montenegro, Tuesday, May 4, 2021. The European Union started delivering EU-funded coronavirus vaccines Tuesday to the Balkans, a region that wants to join the 27-nation bloc but where China and Russia have already been supplying the much-needed shots and making political gains. (Photo by Risto Bozovic/AP Photo)





A man with a tattoo shows Yugoslav communist president Josip Broz Tito stands during a wreath laying ceremony in Belgrade, Serbia, Tuesday, May 4, 2021. People flocked to Tito's grave to mark the 41th anniversary of his death. (Photo by Darko Vojinovic/AP Photo)





The Alster swans are accompanied by boats towards the Outer Alster in Hamburg, Germany on May 4, 2021. Every year, the animals are brought back from their winter quarters at the Eppendorf mill pond to the Alster and its side arms. (Photo by Marcus Brandt/dpa)





Aerial acrobat, Eszter Kovacs, performs during a performance of the Utca-SZAK street theatre group, amid the coronavirus disease (COVID-19) pandemic, in Budapest, Hungary, May 2, 2021. (Photo by Bernadett Szabo/Reuters)