Introduction to Gwangan Bridge: Gwangan Bridge is the largest sea bridge in Korea spanning a total length of 7.42 kilometers over the sea. Gwangan Bridge not only functions as a bridge, but the surrounding scenery seen from the upper level is also unique, including the endless sea and the symbols of Busan - Oryuk Island, Dongbaek Island and Yeongwol Hillside - all within reach. Come into view. In addition, Gwangan Bridge is the first in Korea to install a cutting-edge lighting system with artistic beauty. It emits a variety of brilliant lights according to different days of the week and different seasons.