Why are the Olympic Games divided into winter and summer? The fastest runner and the fastest skater, who is faster? As the 2022 Beijing Winter Olympics is about to open, the 10-episode documentary "The Great Winter" produced by the Central Radio and Television Film and Television Documentary Center will be broadcast on CCTV-9 from February 1st. An interesting and scientific documentary about the popular science of the Winter Olympics, focusing on the relevant knowledge of the various events of the Winter Olympic Games and the highlights of the construction of the Beijing Winter Olympics venue, using the interesting method of "animation + popular science expert explanation", multi-angle and in-depth Showcasing the unique charm of the Winter Olympics..