Helicopter evacuation of the wounded, near hill 400

[Herion addicts Karen, her boyfriend Johnny, and his brother, Bro, lying on hotel bed, New York]

[John, a heroin addict who is high, visiting his girlfriend Karen, also a heroin user, in the hospital, New York]

[John, with other herion addicts, shooting up in hotel room within minutes of his release from jail, New York]

[Sharecropper riding on mule. Mules are provided by employer Delta & Pine Land Company]

Boys hanging on arms of signal post to hear campaign presidential candidate Nixon speak.

[Boy walking on railroad tracks and carrying basket of food to sell, near the Xuzhou front, China]

[Snow-covered landscape, Holmenkollen, Oslo]