I just got back from a trip to Japan where I spent time in Tokyo, Osaka, Kyoto and a brief stop in Busan (Korea). If you’re thinking about planning a trip to Japan, I thought the following FAQs might be useful. Getting around by subwayThis is not intuitive. I found Japan’s entire transportation system to be a bit antiquated. On the bright side, Japan’s subway system and the subway’s infamous bullet trains are efficient, clean, and spacious. Do I need to book a ticket to use the Bullet Train?I highly recommend that you do so. Especially when traveling in a group. If you make a reservation in advance using the…