About North Sentinel Island:
- It is one of the Andaman Islands - an archipelago in the Bay of Bengal - and part of the Indian Union Territory of Andaman and Nicobar Islands.
- It is located west of the central cluster of the Andaman Islands.
- The island measures approximately 8 kilometers (5.0 mi) in length and 7 kilometers (4.3 mi) in width, covering an area of about 60 square kilometers (23 sq mi).
- The island is densely covered in tropical rainforest.
- It’s also circled by a shallow reef.
- It harbours one of the world's last secluded tribes — the Sentinelese.
- They are believed to be direct descendants of the first humans who migrated out of Africa around 60,000 years ago.
- The tribe has lived in voluntary isolation for thousands of years, fiercely resisting contact with the outside world.
- The island falls under the Andaman and Nicobar Protection of Aboriginal Tribes Act, 1956, making it illegal to approach closer than 5 nautical miles.
- According to a 2011 census effort, and based on anthropologists' estimates, there are probably somewhere between 80 and 150 people on North Sentinel Island, although it could be as many as 500 or as few as 15.
