Madangbawi, a landmark rock on Seoul's Gwanaksan Mountain that has recently gained fame among young people as a place to "absorb good energy," has been defaced with graffiti. The Gwanak District Office completed restoration and referred the case to police. Critics say the sudden surge in popularity has led to unexpected side effects. Madangbawi is a signature landmark located along the No. 1 hiking trail on Gwanaksan. It is widely known as a rest stop where hikers take certification photos. However, a hiker recently defaced the rock by spraying yellow lacquer paint on it. The message left at the scene...