In Qinhuangdao to eat seafood crabs or want to bring back on the return trip, pay attention to be sure to buy live. Already will not move to replace the do not buy. Dead crabs will have diarrhea after eating. Also remember to eat crab, seafood, white wine can drink. Can not drink beer! Do not drink any drinks containing vitamin c! There are tips all over the seafood cities. Qinhuangdao people know that it is very, very easy to get gout!!!! It's a very unpleasant and lifelong condition that can't be cured. Be very, very careful. It's no joke. Note to fellow travelers. I wish you a pleasant journey!