Sendai is known throughout Japan as a modern city in harmony with nature. The city possesses beautiful scenery, such as the Hirose-gawa River that runs through central Sendai and the lush zelkova trees that line its streets. Greenery is especially abundant in the center of the city, which has tree-lined streets and parks. As a result, Sendai is called the “City of Trees.” Sendai has many universities and is also well-known as an academic city. Its universities and research institutes have been contributing to the development of the high-tech industry. Sendai also values history and culture. Many traditional events, such as the Sendai Tanabata Festival, continue to this day. The Sendai International Music Competition and the Johzenji Streetjazz Festival are also held in the city, along with many theatrical performances. Sendai is a modern city that retains its natural beauty and tradition.