Mathew slowly moved towards the bag and unzipped the bag. Three of them found a book and a old style jewelry box looks like it belongs to 1700 bc, but it was locked. Three of them tried to open the box one by one but it does not opened.
Then Mathew picked up the book, opened it to study what was written on it. On the first page, some drawing like building plan appeared in it, but they are not able to understand what it was and trying to understand. Then Mathew turned the next page and start studying the book.
"This is a building plan of my school, an underground tunnel situated under the ground in the middle of the play ground outside of the school building. But it was very dangerous to go inside it, as there are many ghosts keep protecting it. Without proper guidance and rules one can n
