Now that the worst of the epidemic has passed, students can finally start school and don't have to go online at home. But when John, a British college student, wanted to go back to school happily, he received a call from the boarding house. The dormitory administrator told him that he could not go back to the dormitory for the time being, because when they checked the dormitory, they found that his dormitory had become a pigeon's nest, which was full of bird droppings. His closet is full of eggs and pigeons. The housekeeper said that John didn't close the dormitory window before he left school, which made his dormitory a bird's nest.

John was very surprised when he saw the photos sent to him by the boarding house. He remembered that he had not closed the dormitory window before he left. But he regretted seeing the photos very much. He felt that if he hadn't seen those photos, he should be able to sleep normally at night. But after seeing those photos, he couldn't sleep at all. No one can see that his dormitory was completely destroyed by pigeons, but he can sleep quietly. John's dormitory is really miserable, especially there are some eggs in some pools. And the dormitory is full of bird droppings. John said that after this time, he would never forget to close the dormitory window, and he would definitely close the doors and windows when he left the dormitory.

John's situation actually reminds us that we must lock all the doors and windows before leaving our home or dormitory. Many people don't feel this sense of security. This time, the pigeon came to John's dormitory. If a thief comes in next time, things here may be gone. So each of us should remember that no matter where we live, we must close all the doors and windows before leaving there.

But this John is unlucky, too. Of course, he never thought that his dormitory would become a pigeon's nest.