Diwali, Divali, Deepavali is the Hindu festival of lights, usually lasting five days and celebrated during the Hindu Lunisolar month Kartika (between mid-October and mid-November). One of the most popular festivals of Hinduism, Diwali symbolizes the spiritual "victory of light over darkness, good over evil, and knowledge over ignorance".
the answer is the 3rd one.
Because I searched and it tells me about the place and the history so I
think it's number 3 if not it's 2.
one reason is because they were a lost civilization for many years and a second reason they have mountains around them so it was very to get there.