What are some traditional cherry blossom viewing customs and practices in Japan?

In Japan, traditional cherry blossom viewing customs include hanami, which is the act of enjoying the beauty of cherry blossoms, having picnics under the trees, and taking part in festivals and events celebrating the blooming season. People often gather with friends and family to appreciate the fleeting beauty of the cherry blossoms, known as sakura, and reflect on the transient nature of life.