The audience is passing through the simulated-lightning channel in the hall.
March 23rd is the fifty-third “World Meteorological day”. On the same day, Hangzhou Meteorological Bureau，located in Binwen Road, and Hangzhou meteorological Science Experience Museum, located on the Mantou Mountain, opened again to the public for free. It is reported that the theme of World Meteorological Day this year is “Monitoring weather, Protecting life and property”.
Source: Hangzhou Network