第21届世界大学生运动会开幕式主会场的主舞台吸引了人们的目光。这个造型宏伟、能够进行空中、地面、水上立体表演的舞台,是迄今为止我国举行的各种大型活动中最大的一个舞台。主舞台上方的拱形梁跨度达42米,高度达到33米,共用钢材500吨。台上 The main stage of the opening ceremony of the 21st World University Games attracts people’s attention. This magnificent, capable of aerial, ground, water three-dimensional performance of the stage, so far held in our country a variety of large-scale activities of a stage. Arched beams above the main stage spans up to 42 meters, 33 meters in height and 500 tons of steel. On the stage