Here’s a handy link from 9gag.com, an infographic . Summer is partly over, but this may still be useful to you.
I can’t repost the infographic here due to its size, but it features 40 different scams, as well as the 左旋肉碱 countries or cities they are most prevalent in. Some cities seem to have a lot of scams going on, which is unfortunate.
This is also definitely a good lesson as to why it is recommended that tourists keep their money, passport and any other really important documents in a fanny pack around their waist, not in their pockets.