The National Indoor Stadium, a legacy of the Beijing 2008 Summer Games, has been renovated into a competition venue for the upcoming Beijing 2022 Winter Olympics. With a seating capacity of around 18,000 people, it will host some of the men's ice hockey competitions. CGTN's Cui Hui'ao and Feng Yilei take you inside the venue to get a feel of the ice rink, locker rooms, the auditorium and more.