A surgeon rests after a performing a successful heart transplant operation that lasted 23 hours. His assistant sleeps in the right corner.
The inside of an Auschwitz gas chamber shows scratches from struggling victims of the Holocaust.
A firefighter pauses to give water to a thirsty koala in 2009, when the devastating Black Saturday bushfires rolled through Victoria, Australia, killing 173 people.
Eight-year-old Christian Golczynski accepts the American flag for his father, who was shot during his second tour in Iraq, just weeks before he was to return home.
An embracing couple found in the rubble of a collapsed factory in Bangladesh.
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Leao sits for a second consecutive day at the grave of his owner, who died in a devastating landslide in Rio de Janiero.
After serving in Iraq for seven months, Terri Gurrola is finally reunited with her daughter.
An Afghan offers tea to a thirsty soldier.
A resident of Cuttack City, India, saves three kittens during the treacherous floods of 2011.
A man falling from the World Trade Center on 9/11.
A young man moments after learning that his brother was killed.
A Russian solider plays an abandoned piano in Chechnya in 1994, during the First Chechen War.
A German World War II prisoner is reunited with his daughter after being released by the Soviet Union. The girl had not seen her father since she was one year old.
A man embraces his dog after finding her alive inside his ruined home after the Alabama tornado of March 2012.
A POW stands unflinchingly before SS leader Heinrich Himmler during a camp inspection. Some identify the prisoner as British soldier Horace Greasley, who was later transferred to a camp annexed to Auschwitz — from which he repeatedly escaped to meet a girl he'd fallen in love with.
Five-year-old Tanisha Blevin holds the hand of Nita LaGarde, 105, during the evacuation after Hurricane Katrina.
Harold Whittles hears for the first time in his life after a doctor fits him with a hearing aid.
Brazilian violinist Diego Frazão Torquato weeps as he plays at the funeral of John Evandro da Silva, the teacher who introduced him to music, offering it as an escape from poverty.
Anti-war activist Jane Rose Kasmir, 17, holds a flower above a guard's bayonet during the 1967 March on the Pentagon to protest the Vietnam War.
A Russian soldier prays before the Battle of Kursk in July 1943.
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