Gallery: World's biggest water fight

Thailand's Songkran Festival, celebrating the Thai New Year and official start of summer, runs April 13-16 this year. Splashing water is one of the main ways to celebrate, making it the most anticipated holiday of the year for many of Thailand's kids. Though clearly some adults enjoy it too.

Thailand's Songkran Festival, celebrating the Thai New Year and official start of summer, runs April 13-16 this year. Splashing water is one of the main ways to celebrate, making it the most anticipated holiday of the year for many of Thailand's kids. Though clearly some adults enjoy it too.