The press conference “Leveraging Winter Olympics to promote the economic development under zero Celsius degree” by Zhangjiakou was held today (December 19th) at the HQ of Beijing 2022. Wu Weidong, the mayor of Zhangjiakou city, introduced on the press conference that Zhangjiakou has become one of the largest skiing areas and 30 skiing resorts and 600 skiing courses will be built in Zhangjiakou in 2025.