Dashi, a type of stock made from fish and seaweed, is a key ingredient in many Japanese dishes and is often used to add flavor and umami.
In Japan, there is a tradition of eating KFC for Christmas dinner, which started as a marketing campaign in the 1970s.
Japan has a highly developed public transportation system, including bullet trains (Shinkansen) that can travel up to 320 km/h (200 mph).