The Sino-Russian border is separated by the Wusuli River, and it will be frozen for several months in winter until next April. Kaifeng is a spectacular sight, called Kaijiang. Kaijiang River is divided into civilian river and military river. As the name implies, Kevin is calm, the ice melts slowly and the sound is not big; Wu Kai is as big as Qiantang tide. The surging river makes the ice rows squeeze each other, and the impact force rises to tens of meters high, and then it hits the ice in front, making a deafening noise. This is an ice steak. However, this river has been "Wenkaijiang" for 35 years in a row, and the audience is not satisfied, but the scene is unforgettable.
Sanda is also called Sanshou. In ancient times, it was called fighting, hand fighting and warfare. Simply put, two people fight face to face with