Summer time heat is the perfect excuse for adults to engage in water gun fights. The annual Water Gun Festival in South Korea's capital Seoul offers locals and tourists a fun way to stay cool. /VCG Photo

The annual festival, which was held in Sinchon, a trendy college neighborhood in western Seoul, runs for two days and also includes DJ sets and street performances. /VCG Photo

This year's theme is “Retake the Kingdom”. According to The Korea Times, the story is warriors from all over the world have come to take back the kingdom of Sinchon stolen by rebels. /VCG Photo

Festival-goers can either bring their own water guns or buy one on the spot. /VCG Photo