在一些大城市,高架桥连接着城市的东南西北,被喻为交通大动脉。车辆在高杂桥上走,高架桥下就出现了空地,并被绿化起采。每天清晨或黄昏,都会有不少人利用高杂桥下的空地来锻炼身体,他们或随着音乐跳舞、打太极拳,或做操、舞剑。高架桥下的空地给人们一个方便的活动空间,但却不是一个合适的锻炼地点,在此健身会对健康造成负面影响。 In some big cities, the viaduct, which connects the northeast, northwest and north of the city, has been hailed as the traffic artery. Vehicles in the high hybrid bridge to go under the viaduct appeared on the open space, and was taken green. Every morning or at dusk, many people use their vacant space to exercise their bodies. They dance or dance Tai Chi, or do exercises and dance swords. The open space under the viaduct gives people a convenient space for activity, but it is not a suitable exercise venue where fitness can have a negative impact on health.