奥林匹克，人类历史上的一个史无前例的杰作，它将体育运动的多种功能发挥到淋漓尽致的地步，每一届奥运会都是多民族精英的国际盛会。盛会常常伴随着危险，而大多数危险都是人为所致。奥林匹克运动诞生至今，由于受到众多因素的影响，一直行进在复杂的自然和社会环境中，早已 Olympic, an unprecedented masterpiece in the history of mankind, exerts many functions of sports to its fullest. Every Olympic Games is an international event of multi-ethnic elites. Events are often accompanied by danger, and most of the dangers are human-induced. Since the birth of the Olympic Movement, due to many factors, it has been marching in a complex natural and social environment and has long existed