safety

World Expos is coming to Shanghai; the local gov't is actively making
sure the entire city is prepared for it; major building projects,
expanding subway lines, beautifying old buildings and securing subway
safety. The last, well. Some one has taken a serious of pictures of
a passenger (sitting next to). Take a look at: http://bbs.bj.sina.com.cn/thread-180-1/table-64411-5336.html

Pretty long knife!