gimnyeong beach, jeju olle trail route 20 in jeju island, korea

asia beach beautiful blue coastal day destination emerald gimnyeong gimnyeongri gujwaeup holiday horizon island jeju jejudo korea landscape nature nobody ocean olle outdoor paradise place relax resort road rock route scenery sea seascape shore sightseeing sky south stone street summer sunny trail tranquil travel tropical turbine vacation view water wind windmill 김녕 올레길