The key to exercise solutions in chapter 3.1 - Famous hoaxes for the textbook New Total English Advanced - Students' Book with authors JJ Wilson with Antonia Clare from Pearson Education
Question
Read the article and check your ideas.
Answer
In a remote part of the Philippines.
They are probably being filmed for a documentary.
Manuel Elizalde is the man who 'discovered' the tribe.
A hoax is an act of deception, a trick or practical joke.