11. It is hereby expressly agreed by both parties, In the event of the Unit being damage or made untenable by an Act of God, fire, an insurrection, war or any result of force majeure which was not caused by the Lessee or his family, servants and guests, this lease will automatically become null and void and the both parties will have no financial responsibility for any losses incurred. In this case the remaining deposit and the unused portion of rent already paid shall be refunded to the Lessee forthwith.