Question

worlds most restricted places and why

Answer 1

world's most restricted places with their reasons are:
1. North Sentinel Island, Andaman Islands, Bay of Bengal::Believe it or not, there are still tribes of people out there who are almost completely cut off from the outside world, preferring to live and breed among themselves and are totally averse to change. Such is the case for the Sentinelese, who hail from the North Sentinel Island along the Bay of Bengal. According to the website Neatorama, the island has no natural harbors and is surrounded by jagged coral reefs, effectively keeping visitors out. The few attempts at contacting the tribe came at a cost, including a National Geographic film director getting shot in the leg with an arrow by a tribesman.
2.Vatican Secret Archives, Vatican, Italy::who are familiar with Dan Brown’s novel, Angels and Demons know that the Vatican has a secret archive and that it’s restricted to the public, unless your name is Robert Langdon, the book’s protagonist. In contrast to how the archive is depicted in the movie, the actual Vatican Secret Archives is quite antiquated, with metal lifts to bring you to the different floors that contain the papal documents, according to The Telegraph.
3.Room 39, Pyongyang, North Korea::North Korea arguably tops the list of most restricted places. And you won’t get any more restricted than Room 39, said to be located in the ruling Workers’ Party building in the North Korean capital of Pyongyang. The infamous room is said to be the site of numerous criminal activities, such as illegal drug manufacturing, counterfeiting of US dollar bills, and financial fraud.

Answer 2

1.Snake Island in Brazil cuz its the only place in the world where you find the golden lancehead viper which is the 4000 species of the deadliest snakes on earth.
2.Vatican Secret Archives, Italy cuz The Vatican Secret Archives belong to the Pope, though they're not actually secret. The only secretive thing about it is that no one is allowed inside without the Pope's permission, not to mention that you can only request to view documents that are older than 75 years old.