Bizarre偷拍 at the world's largest adult entertainment expo (pictures)

The world's largest pornographic exhibition, the "AVN Adult Entertainment Expo," made its appearance in Las Vegas, USA. This annual pornography industry event, lasting for 3 days, featured over 340 "adult industry" companies exhibiting their products. More than 250 porn stars were present to interact with fans, and there were also 9 seminars held on site.