korean people and foreign travelers travel visit natural garden on hanla mountain volcano or mount halla in hallasan national park

asia beautiful beauty christmas cold cool countryside destination fall fog foreign forest frost frosty frozen garden halla hallasan hanla ice idyllic island jeju jungle korea korean landmark mist mount mountain national natural nature park people rural scene scenery scenic season seasonal serene sightseeing snow snowfall snowflake snowstorm snowy south tourism tourist travel travelers trip valley visit volcano weather winter