Two aspiring rap artists bump fists near their homes in the Bronx, where hip-hop was born in the 1970s. In an April 2007 story, writer James McBride traveled the world to trace the origins of the genre.
PHOTOGRAPH BY DAVID ALAN HARVEY, NAT GEO IMAGE COLLECTION
Women in Papeete, French Polynesia, get through a sweltering church service with the help of handheld fans. Men and women don't sit together in these services, but still sing hymns in Tahitian.
Trumpeter Kid Thomas Valentine and a jazz band put on a show in the early 1970s at Preservation Hall in New Orleans. Kid Thomas spent two decades playing in shows on the dance hall's stage.
PHOTOGRAPH BY JAMES L. STANFIELD, NAT GEO IMAGE COLLECTION
Members of the United Farm Workers attend a candlelight vigil in Calexico, California, in February 1979, and listen to Cesar Chavez eulogize Rufino Contreras. Contreras was a 28-year-old migrant worker who was shot and killed during a strike.
PHOTOGRAPH BY STEPHANIE MAZE, NAT GEO IMAGE COLLECTION