Introduction to the First Tower: The First Tower of the Wusuli River is located in the Zhenbaodao Wetland and is a new landmark architectural landscape on the border of Heilongjiang. The first tower is 55 meters high. The tower body is a steel frame concrete structure with a hemispherical glass curtain wall on the outside. Climbing the tower gives you a bird's eye view of the meandering and beautiful Ussuri River flowing peacefully. It is a beautiful viewpoint and the best height for tourists to appreciate the scenery of the Hulin Frontier Fortress.