Trip in Seoul, South Korea. Five palaces witness the past of the city that has been hitten by fires several times. The palaces, whose first has been build during the 15th century, have been rebuild and remain empty now. The main landmark is the Namsan tower erected at the top of the mountain. The city is split into two part by the river and Yeouido island is home to the National Assembly, major broadcasting studios, and a number of large office buildings.