The story: A street-view production crew encounters the supernatural at a secluded reservoir in South Korean cinema’s sleeper hit of the year, an urban legend that has scared up US$10.2 million (S$13 million) of ticket sales and counting.Jeju Island is so yesterday.The K-horror Salmokji: Whispering Water has made its eponymous filming location in Yesan County a tourism spot of such hype, local authorities have had to impose night-time visitor restrictions.The reservoir, constructed in 1982 over a cemetery, was already known for its haunted sightings.Its very name, Salmokij, alludes to the gateway between life and death, the boundary between the two...