Highlights: Koishikawa Korakuen is a Japanese-style garden that incorporates Chinese elements. It was built in the early Edo period. "Korakuen" is taken from "The Worry of the World Before the World, and the Joy of the World" in "The Story of Yueyang Tower" one sentence. The garden integrates mountains, rivers, lakes, and pastoral landscapes, with Tokyo Dome as the background, which is unique. The courtyard is quiet and pleasant, suitable for walking. Thousands of trees are planted here, including pine, maple, cherry trees, etc. The large spring water with Penglai Island and Tokudaiji Stone is the center, and cherry trees, maples and other trees are planted around. In the north, there are Merlin, iris, rattan and so on. In early February every year, the white plum blossoms are in full bloom, and in early April, there are sakura blossoms that can be viewed, attracting a large number of tourists to come here.