Christian Democratic Union CDU leader and chancellor candidate Armin Laschet (R) and German Chancellor Angela Merkel react on stage during their campaign rally in Aachen, western Germany, on September 25, 2021, one day ahead of the German federal elections. (Photo by Ina Fassbender / AFP)

Students from various organisations display placards and shout slogans during a protest against an eviction drive by Assam's state government on September 23 of Muslim families in Assam, which turned violent with the killing of two men when hundreds clashed with police, in New Delhi on September 25, 2021. (Photo by Sajjad HUSSAIN / AFP)

A health worker inoculates a child with a dose of the Pfizer-BioNTech vaccine against the Covid-19 coronavirus at a children's hospital in Colombo on September 24, 2021, as the country began inoculating children over 12. (Photo by ISHARA S. KODIKARA / AFP)

The Cumbre Vieja volcano is seen from Los Llanos de Aridane on the Canary island of La Palma in September 25, 2021. (Photo by DESIREE MARTIN / AFP)

Manchester City's Brazilian striker Gabriel Jesus (L) vies with Chelsea's Croatian midfielder Mateo Kovacic during the English Premier League football match between Chelsea and Manchester City at Stamford Bridge in London on September 25, 2021. (Photo by Ben STANSALL / AFP)

Performers stage the outdoor, immersive theatrical performance 'The Twilight Hour', which tells stories of local myths and folklore, in Cleethorpes, northern England, on September 24, 2021. (Photo by OLI SCARFF / AFP)

Supporters wait for German Finance Minister, Vice-Chancellor, and the Social Democratic Party's (SPD) chancellor candidate Olaf Scholz (not pictured) to address a rally in front of the New Town Hall at the Marienplatz in Munich, southern Germany, on September 18, 2021, a week ahead of Germany's federal elections on September 26. (Photo by ANDREAS GEBERT / POOL / AFP)

A man casts a ballot at a polling station at the Kazansky railway station during the Parliamentary elections in Moscow, Russia, Saturday, Sept. 18, 2021. Sunday will be the last of three days voting for a new parliament, but there seems to be no expectation that United Russia, the party devoted to President Vladimir Putin, will lose its dominance in the State Duma. (AP Photo/Alexander Zemlianichenko)

A resident undergoes a nucleic acid test for the Covid-19 coronavirus in Xiamen, in China's eastern Fujian province on September 18, 2021. (Photo by STR / AFP) / China OUT

Musicians stand on "Noah's Violin", a giant floating violin by Venetian sculptor Livio De Marchi, as it makes its maiden voyage for a concert on the Grand Canal near the Rialto bridge in Venice on September 18, 2021. - Twelve and a half metres of wood, some of it hand-crafted, symbolizing the rebirth of Venice through art, culture and music, said the authors. The floating violin is hosting musicians from the Benedetto Marcello Conservatory playing Vivaldi. (Photo by Marco BERTORELLO / AFP)

Customers shop for bamboo products at a market in Ahmedabad on September 18, 2021. (Photo by Sam PANTHAKY / AFP)

Haitian migrant children watch programing at a shelter, Friday, Sept. 17, 2021, in Ciudad Acuña, Mexico. Haitians crossed the Rio Grande freely and in a steady stream, going back and forth between the U.S. and Mexico through knee-deep water with some parents carrying small children on their shoulders. Unable to buy supplies in the U.S., they returned briefly to Mexico for food and cardboard to settle, temporarily at least, under or near the bridge in Del Rio, a city of 35,000 that has been severely strained by migrant flows in recent months. (Marie D. De Jesús/Houston Chronicle via AP)