The annual "Museum Night" event at the National Natural History Museum of China officially kicked off on August 1 in Beijing. For the entire month, the museum will be open to the public from 6 pm to 9 pm on every opening day. During these three hours, besides free access to all open exhibition halls, visitors can also choose a variety of activities such as lectures, watching movies and dramas, to celebrate the summer night extravaganza at the museum. Photos: Li Hao/GT