Stepping into the courtyard of the Catholic Church in Cizhong, he was attracted by the singing of high and low. Everyone held hands and sang around the campfire, a male voice, a female voice echoed, accompanied by the sound of firewood burning in the squat, the piano and the piano were harmonious and sounded through the sky. Jumping, singing, talking, drinking barley wine... It's just a prelude to the Christmas celebrations of the people of Z.