Because of the human activities, increasing number of habitants of wild animals have been polluted or been modified into scenic spots for financial purposes. These animals were forced to leave their home. However, an unexpected disaster happened in 2020, that is, the COVID-19，which lead people to stay at home. Due to the disappearance of travelers in Lugu lake, a scenic spot in china, animals can finally have a chance to back to their original home and freely hover without caring humans' activities.