7月21日晚上七点半,门头沟区滨河西区广场展演台前,工作人员对音响设备做着最后的调试工作。一天的暑热渐渐消散,人们陆续围坐到广场周围——一年一度的夏日文化广场活动又开始了,今年的活动主题是“共圆中国梦”。 At half past seven on July 21, the Mentougou District Binhe West Square show stage, the staff of the audio equipment to do the final debugging. One day the heat gradually dissipated, people gradually one after another around the square - the annual Summer Cultural Plaza activities began again, this year’s theme of the event is “a total of Chinese dream.”