The fallen plum blossoms are like a mess of snow, and the whole body is still full after being caressed. There are simple stories, long or short. The clear river water under Yugu Tower, many passers-by in the middle are crying, looking northwest to Chang'an, there are countless pitiful mountains... All the past events, in the end, are like falling plum blossoms flying all over the sky, thrown into the river, and flowing eastwards never to return...