The pilot film of the opening ceremony of Beijing Winter Olympics was launched. What are the highlights?

The first attraction is that the program design of the opening ceremony highlighted the fate of mankind and China promoted 300 million people to participate in the ice and snow project. The opening ceremony made full use of beginning of spring elements and showed the world the traditional 24 solar terms in China. The second point of view is that the opening ceremony of this Winter Olympics will be relatively shortened due to the epidemic, and artistic performances will naturally be integrated into the process and ceremony, showing a simple and wonderful feature.