In April, Songhua Lake is played like this: take a cable car for sightseeing, climb to the top of the castle peak and overlook the beautiful Songhua Lake. Mountain biking and cross-country UTV will give you speed and passion, and more than 21 mountain entertainment projects, such as rainbow slide, lawn pulley and live cs, will make the holiday more enjoyable. There is also the 4 th Songjiang Fish Food Festival, where fish is delicious. You can stay in the five-star Japanese-style service Prince Hotel and the Zhanyun Salomon Hotel with fashionable outdoor sports.
What is its historical significance?