Can the reservoir dam be regarded as Shuikou sand? According to Feng Shui theory, Shuikou Sand, also called Shuikou Mountain, refers to the mountains around the water outlet and in the Shuikou. Feng Shui experts believe that water governs wealth and must have the potential to store it. "The Eye of the Earth: Shuikou" says: "Water governs wealth. If the door is open, the wealth will come, and if the door is closed, the wealth will be inexhaustible." Therefore. , the mountain at Shuikou should have multiple gates and pins, so that the Qi veins can be stored inside and the Qi can be integrated and prosperous. Therefore, the shape of Shuikou Mountain must be closely intertwined, with canine teeth alternating with each other, high peaks, and strange rocks pulled up.