We chose the more challenging climb at The Great Wall. It was a hot, sunny day which made the climbing even more difficult. The stairs were extremely steep - it seemed like a vertical climb at times. I did my best to keep up with the former cross-country runner, but did a poor job of it. Luckily she was patient with me and waited for me to catch up. We were at the Badaling section of the wall - it's the most preserved section.