In the foothills of Saja Mountain, in South Korea’s Jangheung, Jeollanam-do, an unassuming slope conceals one of the country’s most singular art spaces: a one-hundred-meter grotto, dug entirely by hand, its 1,650 square meters winding through a labyrinth of chambers and tunnels. The walls bloom with roots, skulls, celestial beings, and Buddhas; shallow alcoves cradle […]