Alexander continues his exploration of the bustling capital Seoul, where he marvels at the splendour of the 14th century Gyeongbokgung Palace and takes in the colourful changing of the guard ceremony, before heading to the famous Yangnyeongsi herbal medicine market. Later, he takes a quick detour away from Seoul to the country's industrial capital Ulsan, where visits the cultural museum to find out the origins of South Korea's international hit series, Squid Game