The document summarizes a 5 day trip around 5 cities - London, Seoul, Tokyo, Auckland, and Beijing. In London, the document notes that over 300 languages are spoken and the underground transport system is nicknamed "The Tube", though only 45% of it is actually underground. In Seoul, the document mentions that K-Pop comes from there and many play online games seriously. Tokyo is noted as having the most Michelin-starred restaurants and Shinjuku station has over 200 exits. Auckland is the largest city in New Zealand and is known as the "City of Sails". Beijing, one of China's ancient cities, was established over 3,000 years ago and has many popular attractions that bring in tourists each