"When I was seven years old, my great-grandmother took me down the river cliff once." Chen Du's voice was deep. "It was September 9th, at night. She made me kneel by the river, while she carried the mountain whip and sang to the center of the river. In the middle of the night, there were flowers on the river, and there was a sound of iron chains under the water. When Grandma came back, the mountain whip was broken, and she said that the thing underneath could still hold a ring. "