Secondary school graduates play in a fountain as they celebrate the last day of school, traditionally called the “last bell” in central Kiev, Ukraine on May 31, 2019. (Photo by Valentyn Ogirenko/Reuters)

A woman poses for a photo next to lotus flowers in West lake in Hanoi, Vietnam, 09 June 2025.. Lotus flowers bloom from late May to August in Vietnam and are commonly found growing in the muddy waters of lakes and ponds across the country. (Photo by Luong Thai Linh/EPA)

A female police officer stands in the street during an anti-government protest in Santiago, Chile, Saturday, October 26, 2019. Chile has been facing days of unrest, triggered by a relatively minor increase in subway fares. The protests have shaken a nation noted for economic stability over the past decades, which has seen steadily declining poverty despite persistent high rates of inequality. (Photo by Rodrigo Abd/AP 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)

A weeping South Vietnamese mother and her three children are shown on the deck of this amphibious command ship being plucked out of Saigon by U.S. Marine helicopters in Vietnam, April 29, 1975. (Photo by AP Photo)

In this photo taken on January 20, 2024 a tourist poses in front of incense sticks drying in a courtyard in the village of Quang Phu Cau on the outskirts of Hanoi. Families living and working in the “incense village” of Quang Phu Cau now also make sticks in yellow, blue and green, catering to visitors eager to snap shots for Instagram. (Photo by Nhac Nguyen/AFP Photo)

Black-headed gulls sit on pickets at a riverside in Tokyo, Japan, December 27, 2015. (Photo by Toru Hanai/Reuters)

Ammunition airlift into besieged Khe Sanh, Operation Pegasus, April 1968. (Photo by Larry Burrows/AP Photo)