2014年2月7日,第22届冬季奥运会在俄罗斯海滨城市索契拉开帷幕。当人们兴致勃勃观看奥运圣火点燃的壮观场面、沉浸在一片欢呼声中时,可曾想到,在这热烈隆重的气氛背后,凝聚着俄罗斯为此次冬奥会安保作出的巨大努力。索契冬奥会面临的安全形势异常严峻:与索契相邻的北高加索地区恐怖威胁严重,车臣非法武装常年盘踞在此。恐怖分子自 On February 7, 2014, the 22nd Olympic Winter Games opened in the Russian coastal city of Sochi. When people are excited to watch the spectacular scenes lit by the Olympic torch and immerse themselves in cheers, it can be imagined that behind this warm and grand atmosphere, there is a great effort made by Russia to make security for this Winter Olympics. The security situation facing the Sochi Winter Olympics is grave: the terrorist threat in the North Caucasus region adjacent to Sochi is severe, and Chechen illegal militias occupy it all year round. Terrorist since