Namhansanseong Fortress

Namhansanseong Fortress, also known as Namhansanseong Provincial Park, is a unique fortress town intended to serve as an emergency capital to protect the sovereignty of the Han River and Joseon independence. It is believed to have been built either during the Silla Dynasty or the Baekje Dynasty. The fortress is of great historical and cultural value. Which made it worthy of being included in the UNESCO World Heritage List, and it includes four huge gates that contributed to its protection.