If you wear a skirt shorter than 38cm, you will be rewarded with a half price discount into Guilin Merryland resort in China.
This marketing campaign used to boost visitor numbers will last till the end of August.
A representative of the park said they launched the annual discount campaign five years ago, and received good results.
The resort, which opened in December 2005, covers an area of 400 hectares and boasts seven theme areas including the Wild West and Pirate Village.
Visitors can ride a carousel, watch movies, go boating and stay overnight in a five-star hotel.
This article was contributed by the STOMP Team