Busan Popular Attractions Jeju Popular Attractions Seoul Popular Attractions Travel+Crazy: Korea Best Aquariums in Korea: Explore the Undersea World Jessie KangMarch 29, 2021June 3, 2021 The ocean is beautiful, boundless, quiet, and fresh in golden color, and the sea breeze always makes you feel calm. However, it is so mysterious to explore; it's sometimes shy,...