How about Zhangjiakou? What about the city?

Zhangjiakou is developing very well now. Great changes have taken place in this city since the successful bid for the Winter Olympics. Zhangjiakou has been a strategic place since ancient times, and its geographical location is particularly important. Now there has been a great breakthrough in economic construction and great changes in the environment. Air quality has always been in the forefront of the country, and vegetables, fruits and grain crops are rarely polluted. Zhangjiakou occupies an important position in Beijing's vegetable supply. The high-speed rail in Beijing is being repaired now. After the completion, you can contact each other within an hour. It used to be a fourth-tier city, but now its status has improved a lot. After a few years, Zhangjiakou will make you have unexpected achievements, which will be far behind all parts of the country.