"Big Chief" Victor Armstrong wears an elaborate Mardi Gras Indian costume while shouting at another tribe of Indians in his Uptown neighborhood of New Orleans, Louisiana.Photograph: Lucas Jackson/CorbisA member of a dance troop performs during the Muses Mardi Gras parade in New Orleans.Photograph: Lee Celano/CorbisKing Zulu waves to revelers as he parades down St. Charles Avenue Mardi Gras Day in New Orleans.Photograph: Sean Gardner/CorbisThe Krewe of Bacchus rolls down Napoleon Avenue in Uptown in New Orleans. The Krewe has been parading since 1968.Photograph: A.J.Sisco/CorbisMembers of the Mardi Gras Indian tribe "Golden Comanche" yell out to their tribe members in the UpTown neighborhood at Jackson and St. Charles.Photograph: Barbara Davidson/CorbisA silhouetted man walks past a store window selling Mardi Gras souvenirs along Decatur Street in the French Quarter of New Orleans Photograph: Shannon Stapleton/CorbisA costumed couple dances in the street during Mardi Gras.Photograph: Philip Gould/CorbisScott Carroll of Fullerton, California, looks for beads on Canal Street in downtown New Orleans Photograph: Irwin Thompson/CorbisA woman dances with the Samba Vida dance and drum group down St. Charles Avenue Photograph: Sean Gardner/Corbis