Today's episode focuses on cross-country skiing - a "marathon on snow," as the first gold medal of the 2022 Beijing Winter Olympics was from cross-country skiing. Cross-country skiing is the most basic sport of snow sports traditions and was included in the first Winter Olympic Games in 1924. A cross-country skiing competition in the Beijing Winter Olympics is held at the Zhangjiakou competition zone, and a total of 12 gold medals will be awarded. It is a typical endurance sport with a long course and a long competition time. How are cross-country skiers take their training? What is the key to watching cross-country skiing competitions? Please take this CGTN viewing guide.

About "Winter Games Express"

Starting February 4, get aboard the world's first express train that incorporates a studio powered by 5G technology, linking Olympic competition zones: Beijing and Zhangjiakou. We'll bring you fresh news about the Winter Olympics, sneak peeks from the upcoming events and speak to Olympians about their preparations and feelings. We'll also turn to winter sports experts and fans to get their predictions and thoughts on the Games.