Was It A Shelter?

12Once he stepped inside he found out something which looked like an electric fan and a hand-crank fan. These things proved that somebody had built it for staying down here with ventilated air for a considerable period of time. It was meticulously planned by the person who made it. Till now John had gone crazy finding a bomb shelter under his own garden. He could not help himself but explore the place which was going to surprise him with more unexpected sights.