Emergency workers and police officers are seen at a train station in Tokyo on Sunday, after a man brandishing a knife on a commuter train stabbed several passengers before starting a fire. Kyodo News via AP hide caption
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Many Stories, One WorldSunday
President Biden spent three days in Rome talking to world leaders before and during the G-20. He held a formal press conference before heading to the U.N. climate summit in Glasgow. Brendan Smialowski/AFP via Getty Images hide caption
A slice of tiramisu at the restaurant Le Beccherie on August 24, 2013 in Treviso, Italy. Marco Secchi/Getty Images hide caption
From left, German Chancellor Angela Merkel, Italian Premier Mario Draghi, French President Emmanuel Macron and British Prime Minister Boris Johnson stand at the Trevi Fountain during an event for the G20 summit in Rome, Sunday, Oct. 31, 2021. Roberto Monaldo/AP hide caption
The Asia Vision LNG carrier ship sits docked at the Cheniere Energy Inc. terminal in this aerial photograph taken over Sabine Pass in Texas in 2016. Lindsey Janies/Bloomberg via Getty Images hide caption
Saturday
Steel ingots emerge from an oven at the Saarsthal rail plant in Hayange, France, on Sept. 13, 2021. The United States and European Union have reached a deal on steel and aluminum tariffs. Jean-Christophe Verhaegen/AFP via Getty Images hide caption
This Día de los Muertos altar on display at a public shrine in Oaxaca, Mexico, shows several traditional ofrendas, including cempasúchil -- the Aztec name of the marigold flower native to Mexico. Gabriel Perez/Getty Images hide caption
British Prime Minister Boris Johnson (from left), French President Emmanuel Macron, German outgoing Chancellor Angela Merkel and President Biden meet in Rome to discuss renewed talks over the Iran nuclear deal. Brendan Smialowski/AFP via Getty Images hide caption
President Biden poses for a selfie with first responders who joined world leaders Saturday for the traditional family photo at the G-20 summit in Rome. Gregorio Borgia/AP hide caption
Maria Laura Rojas, a climate activist from Bogota, at the outskirts of the city. Erika Piñeros for NPR hide caption
From a place of privilege, she speaks the truth about climate to power
In the German language, nouns themselves are often gendered. Cities across Germany, including Lubeck, are now trying to use gender-neutral language by placing a colon or asterisk within words. Marcus Brandt/dpa/picture alliance via Getty Images hide caption
Germany debates how to form gender-neutral words out of its gendered language
Friday
Young men play a game of rugby at sunset in Nuku'alofa, Tonga, on April 10, 2019. The island nation of Tonga has reported its first-ever case of COVID-19 on Oct. 29, 2021 after a traveler from New Zealand tested positive. Mark Baker/AP hide caption
Queen Elizabeth II appears on a screen via videolink from Windsor Castle during a virtual audience at Buckingham Palace, on Tuesday. Victoria Jones/Pool via AP hide caption
President Biden told French President Emmanuel Macron that the U.S. handling of an arms deal with Australia was "clumsy." Evan Vucci/AP hide caption
Festivalgoers attend a music festival at Olympic Park on June 26, 2021 in Seoul, South Korea. Chung Sung-Jun/Getty Images hide caption