English soldiers charge Catholic youths in Londonderry, Northern Ireland, in 1970.
Christian gunmen in the foyer of a Holiday Inn battle Palestinians in Beirut, Lebanon, in 1976.
Suspected Lumumbist freedom fighters are tormented before execution in Stanleyville, Democratic Republic of Congo, in 1964.
A Vietcong suspect is dragged from his bunker, in South Vietnam in 1965.
Early morning at the Kumbh Mela religious festival in Allahabad, India, in 1989.
A shell-shocked U.S. soldier awaits transportation away from the front lines in South Vietnam during the Tet Offensive in 1968.
A Cambodian woman clutches the body of her husband, who was killed in the battle for Phnom Penh in 1975.
American soldiers look into East Berlin at the time of the construction of the Berlin Wall in 1961.
The World War I battlefield of the Somme, photographed in 2000.