Security issues has alway been a tough commission to many countries,not only for developed countries like USA(9-11 attack),but also for undeveloped countries,such as Iraq.Nowadays,there is an increase crisis of terrorist attacks in China.
In 2014,there was 2 incidents of terrorist attacks in China,heresy people cutting innocent passengers in Kunming railway station,bomb attack in Urumqi,these indicate a rising threat of terrorist attacks.
There are many ways to survive from an terrorist attack,the most important thing is to keep yourself calm down,run away from the incidents,and call the police.
Also,to prevent is better to survive,installing an electric fence system may help,by generating a 5KV-10KV high voltage pulse,it is stronger enough to keep the criminals away from the fence.So you can have enough time to escape.
