Children wave Vietnamese and American flags while waiting for arrival of U.S. President Barack Obama (not pictured) before a welcoming ceremony at the Presidential Palace in Hanoi, Vietnam May 23, 2016. (Photo by Reuters/Kham)

On the July 10, 2025, an elderly couple in Eonam-dong, Jung-gu, Daejeon, who finished their field work, cooled off by sitting on a bench in the yard near the water tap. (Photo by Shin Hyeon-jong)

A view of popular train street in the old quarter of Hanoi, Vietnam on July 30, 2022. Hanoi Train Street is one of the most well-known and exciting tourist destinations in the city and trains pass the street twice a day close to buildings on either side of the tracks. (Photo by Chris Humphrey/Anadolu Agency via AFP Photo)

Aide Choque, wearing a mask amid the COVID-19 pandemic, jumps with her skateboard during a youth talent show in La Paz, Bolivia, Wednesday, September 30, 2020. Young women called “Skates Imillas”, using the Aymara word for girl Imilla, use traditional Indigenous clothing as a statement of pride of their Indigenous culture while playing riding their skateboards. (Photo by Juan Karita/AP Photo)

Chen Ruolin of China performs a jump during the mixed team event final at the Aquatics World Championships in Kazan, Russia July 29, 2015. (Photo by Stefan Wermuth/Reuters)

“The Last Pollen Spore Preparing to Leave a Ladybug Trying to Hold On, Because It Didn't Want to Be Alone”. Photo by Hiep Nguyen Hoang (Hanoi, Vietnam). Photographed in Hanoi, Vietnam, April 2012.

A young girl tries to catch snow on her tongue near the Martin Luther King Jr. Memorial, before the start of a wreath-laying ceremony honoring the legacy of the late civil rights leader in Washington, DC on January 15, 2024. The ceremony is being held to honor the civil rights leader on the anniversary of his birthday. (Photo by Andrew Caballero-Reynolds/AFP Photo)

A woman prepares to release carps to Hoan Kiem lake on Kitchen God's Day as part of the traditional Vietnamese Lunar New Year celebrations, the biggest festival of the year in Hanoi, Vietnam on February 4, 2021. (Photo by Kham via Reuters)