"Survivor's'"upcoming season will be a battle between young and old with the two tribes divided by age.
Twenty castaways will be split between the Espada tribe, which will be made up of people over 40, and the La Flor tribe, which is comprised of individuals who are 30 and under.
CBS announced the plan at the start of its annual TCA summer press tour presentation.
Filmed in Nicaragua, the 21st season of "Survivor" premieres Sept. 15.
