North Sentinel Island, one of the Andaman Islands in the Indian Ocean, outsiders are forbidden.
Video: This island is inhabited by one of the most deadly and mysterious tribes
The tribe has been uncontacted for nearly 60,000 years and any contact with the outside world is met with violence.
The islanders have been isolated for so long that they are vulnerable to modern diseases so contact from the outside world could wipe out the whole Sentinelese tribe.
The island is part of Indian group of 572 islands that are open to tourists except for this one.
In 1991, the Indian government did try to make contact with the tribe, probably the first and last time by scholar T N Pandit. He came to the island carrying gifts in the form of coconuts to win their trust. This was probably the first time they greeted anyone without violence.
The islander's seclusion is also helped by the way the island is shaped as it contains no natural harbours, surrounded by sharp coral reefs and mostly covered by dense forest, so making any journey to the island will be a difficult one.
The Indian government made few checks after the Tsunami in 2004 and announced that the tribe is healthy and thriving.
Contact attempts were made in 1974, 1981, 1990, 2004, and 2006 by National Geographic, a Naval sailing ship, and the Indian government respectively, but all met with a relentless curtain of arrows.
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