踩踏可造成大规模死伤。安静的人群可瞬间变得拥挤,开始恐慌。更糟的是,人群数量和密度达到临界状态时,极微不足道的推搡都足以演变为踩踏。慌乱的人群会快速移动,释放出令人难以置信的能量,通常等于一辆行驶的火车产生的能量:一旦人群开始移动,就很难停下来,人流可让你一下就摔倒。值得一提的是,大约六七个人朝一个方向推挤产生的力可高达1000磅力,足以压弯钢制栏杆,推倒砖墙。在致命的踩踏中,人可能站着被活生生挤死:身体正面 Stampede can cause mass casualties. Quiet crowds can instantly become crowded and start to panic. To make matters worse, when the number and density of people reach a critical state, the slightest prevarication is enough to evolve into a stampede. The panicky crowd moves fast, releasing incredible energy, usually equal to the energy produced by a moving train: once the crowd begins to move, it is hard to stop and the stream of people can make you fall over. It is worth mentioning that about 67 people pushing in one direction can generate up to 1000 pounds of force, enough to bend the steel railings and push the brick walls down. In a deadly stampede, people may stand by life and die: the body is positive