In the summer of 2019, I had the opportunity to live in the Chinese city of Dalian. On weekends, work allowed me to travel around the country. One of such trips was Beijing, where the main goal was a one-day trip to one of the new wonders of the world – the Great Wall of China. The Great Wall – where to go? After searching the Internet, I first rejected the option of the most crowded section, but also the one that is easiest to get to – Badaling. The second most popular is the Mutianyu section, due to the fact that it is the best restored and adapted section…