Protester and riot police crying together Sofia, Bulgaria, 2013.

Orthodox priest attempting to prevent a clash between protestors and police in Kiev, Ukraine, 2014.

Man finding out his brother was just killed.

After following them for miles, the puppy was picked up and carried in a Marines drop pouch

Marine Sergeant Frank Praytor feeding a two-week old kitten after her mother was killed.

After saving thousands of lives during the Mumbai serial blasts of March 1993 by detecting more than 3,329 kgs of the explosive RDX, 600 detonators, 249 hand grenades and 6406 rounds of live ammunition, Zanjeer was buried with full honors in 2000.

A rose offered from an anti-government activist to a soldier in Bangkok, Thailand, 2013.

Ohio track athlete helping an injured competitor across the finish line at a state meet.

Afghan man giving tea to U.S. soldiers.

A women lying in the Warsaw ghetto, starving in Poland, 1941.

After serving in Iraq for seven months, Terri Gurrola is reunited with her daughter.

Young boy giving a heart-shaped balloon to riot police in Bucharest, Romania, 2012.

After finding her inside his destroyed Alabama home following a tornado in March, 2012, Greg Cook hugs his dog Coco.

Russian soldier playing a piano in Chechnya, 1994.

Concentration camp prisoner learning of her liberation in 1945.

Woman in Egypt, 2013, protecting a wounded man from military bulldozers.

Heart surgeon after a successful heart transplant that took 23 hours. His assistant is sleeping in the corne

Corporal Yukio Araki, age seventeen, holding a puppy with four other young men of the 72nd Shinbu Corps the day before their departure on a Kamikaze mission in Okinawa.

Boy running after his father in New Westminister, Canada on October 1, 1940.

Man stuffing flowers into soldiers guns.

Christians protecting Muslims during prayer in the midst of the 2011 riots in Cairo, Egypt.

Alcoholic father with his son.

Woman crying amidst the wreckage caused by a massive earthquake and tsunami in Natori, Japan, March 2011.

12 year-old Brazilian boy Diego Frazo Torquato, playing the violin at his teachers funeral.

Sunset viewed from Mars