Mudeungsan Wind Hole (Mudeungsan National Geopark)
San 1-1, Geumgok-dong, Buk-gu, Jeonnam-Gwangju Unified Special City
A pungyeol is a crack or hole in rock from which cool air flows in summer and warm air flows in winter. On Mudeungsan Mountain, air entering talus slopes in summer passes through underground rock gap…