Kim Jong-un has called K-pop a “vicious cancer” capable of corrupting young North Koreans’ “attire, hairstyles, speeches, behaviors,” The New York Times reports. Rodong Sinmun, the North Korean state-run newspaper, warns that the unchecked influence of South Korean pop culture — including movies, K-dramas, and K-pop videos — could cause the country to “crumble like a damp wall.”