The oil crisis of the 1970s had a major impact on Japan's economy, leading to increased focus on energy conservation and alternative sources of energy.
Sushi, a dish made with vinegared rice and various fillings such as raw fish or vegetables, is one of the most famous Japanese foods and has become popular around the world.
Yamagata is a city located in northern Japan, and is known for its beautiful scenery, hot springs, and delicious cherries.