Caracol Internacional‘s original format The Challenge debuted in Greece under the title Nomads yesterday on Antenna 1. Produced by Eccholine, Nomads places 18 contestants into three teams to compete in various physical and mental challenges for three different territories. In 2018, Caracol’s The Challenge will celebrate its 15th anniversary. Since its original debut, the format has been adapted in a number of countries, including Mexico, where the format is in its sixth season on TV Azteca.