How many times have you asked, what is the driving force of life, what is the direction, what is the goal, or empty and busy. Many years later, all this in front of us, all this speechless, a clean hall, an ancient pagoda and a quiet courtyard. This is the current world. There is no picky, as if there is no reason to separate. Yesterday seems to be still in front of us. The new spring has begun. Time is so clever that it slipped away from our fingertips again quietly. It can change everything...