From an impoverished town to a ski "paradise" and one of the venues for the 2022 Winter Olympic Games, Chongli District of north China's Zhangjiakou City has made a great leap. It's also a reflection of the booming ice and snow industry in China, with a market potential expected to hit one trillion yuan (about $150 billion) by 2025. How did all these come about? In this episode of Unboxing Beijing 2022, CGTN's Liu Xiaoxian will unbox China's policy "gift box" for its ice and snow industry.