Introduction to the Pavilion in the Heart of the Lake: It was built in 1928 when General Feng Yuxiang was stationed in Baiquan. It got its name because it was located in the middle of the lake. There is a three-meter-high stone tablet inside, which originally engraved the will of Prime Minister Sun Yat-sen. The surrounding stone pillars are filled with the words "Three People of the People". doctrine.