History!
John was finally relieved and happy. He couldn’t believe his eyes that his own backyard has been hiding a bomb shelter from him for all these years. It was shocking for him that he has been living in the house for so many years now and he had no idea about this existing. He was happy to see that that his and his friends hard work was rewarding indeed. He was still in the phase of amazement to find a bomb shelter in his backyard.