Along the trestle road to the source of Changhua River, the valley is full of rainforests, surrounded by verdant tropical plants, the ear is the sound of water, along with the stream all the way up to the source of Changhua River. The scenery is beautiful and the air is fresh and humid. The river is 232 kilometers long. It enters the sea in Dongfang City. It nurtures the Li people on both sides of the Taiwan Strait. It is their mother river.