Blue House Introduction: Blue House is the presidential palace and political center of South Korea. It is named after the row of green tiles on the roof. If you want to visit Cheong Wa Dae, you must apply on the website 21 days in advance. If the application is successful, tourists can only take photos at designated locations when entering the Cheong Wa Dae. They are not allowed to take videos or bring in food. They must always abide by the rules of the staff. Foreign tourists are also required to carry their passports with them.