Thirty thousand people have gathered in the US city of Las Vegas for the annual convention of the pornography industry.
The scale of the Adult Entertainment Expo reflects the huge growth in a business which is said to be bigger than Hollywood and worth $57bn (£29bn).
Estimates of its annual contribution to the US economy range from $12bn-$20bn.
The scale of the Adult Entertainment Expo reflects the huge growth in a business which is said to be bigger than Hollywood and worth $57bn (£29bn).
Estimates of its annual contribution to the US economy range from $12bn-$20bn.