Chinese National Indoor Stadium will be one of the five venues in the Beijing competition zone for the 2022 Winter Olympics. The test competitions of ice hockey during the first test event of the Beijing competition zone are right on the track. The test and transformation of the stadium into a winter sports venue and a high-tech rebroadcast will be the hot spots during the test event. If you are a sports fan, join CGTN's Zheng Yibing to have a sneak peek.