Curiosities.

Since the 11 S attack the world has not been the same.
On account of the fact that the weapons that were used to carry out this horrible catastrophe were plaines, it was necessary to reinforce the security in the airports.

Nowadays, each time that we want to travel by plane we have to pass more strict review methods than before.
One of these systems caused a great controversy because the passengers have to pass through a cabine that digitilise their image with a X-ray system that makes it seem that people are practically nacked.
This annoyed many people because they considered that it violates its privacy.

http://davidnesher.blogspot.com.es/2011/09/diez-consecuencias-de-impacto-del-11-de.html

fuente:
https://www.youtube.com/watch?v=nh28XcnpzX4