Since yesterday was the World Meteorological Day, early in the morning, the staff of Municipal Meteorological Bureau operated "tornado" model in Meteorological Science Museum, this artificial "tornado" not only shows the causes of tornadoes vividly, but also lets people touch and feel the wind rotation with their own hands. In addition, the museum also displays a number of other weather-related equipments, such as spacesuits, nebulae and so on. Experts say that the public's attention on weather has been improved in recent years, but they are still lacking of meteorological knowledge. And the experts also hope that more people will visit the museum. It is noticed that the Science Museum opens from 9 am to 12 noon every Saturday, which is free of charge to the public, every person interested are welcomed.