There are many celebrity memorial buildings in Hutang scenic spot, such as Zaiqing villa,Xijian Cottage, Huang Yuan Library, and Chen Congzhou Memorial Hall. Zaiqing villa was built in the year 1916, the first modern villa in the South-North Lake, where Mr. Kim Koo, a South Korean national hero, stayed half a year for his refuge after the event of "Hongkou Park Explosion" in Shanghai in April 1932,for which he was the organisor. And this becomes a part of China-ROK friendship.