I placed this cache with my new friend, Neal Caffrey, while I was living and working in the area during April 2015. Caffrey was fascinated by caching when we went hunting in Beijing and he has agreed to watch this one for me while I'm away.
You are looking for a tiny black capsule- a 'bison tube.'
Please replace this one very carefully, looking out for muggles, and report any problems to me. Try to avoid acting suspicious!