Ko Phi Phi Leh was the backdrop for the 2000 movie The Beach. Phi Phi Leh also houses the 'Viking Cave', from which there is a thriving bird's nest soup industry. There was criticism during filming of 'The Beach' that the permission granted to the film company to physically alter the environment inside Phi Phi Islands National Park was illegal.
Following the release of The Beach, tourism on Phi Phi Don increased dramatically, and with it the population of the island. Many buildings were constructed without planning permission-wikipedia