India controls numerous islands in the Indian Ocean, and they have a strange set of rules for North Sentinel Islands -- a tiny, remote place most people wouldn't visit anyway. You see, the Indian government maintains a 'zone of exclusion' surrounding the island, with no ships, helicopters or people allowed within miles of the shore. Ordinarily one might assume this is a secret military base or the site of an environmental disaster -- but the real answer is even stranger. Tune into to learn more about the mystery of North Sentinel Island.