Walls...

Many nations have build walls themselves against threats, is it really necessary to build walls to separate certain groups. Here are some pictures with explanations...I will give translations for those that can not read German.

These are short translations of the texts supplied by the news magazine Die Welt.
The first picture
Shows the wall between USA and Mexico, further it is 1000km long further it is also equipped with modern surveillance Technology.
The second picture
This wall separates the core of Israel from the Jordanland which is 759km this wall is supposed to stop Palastinien terror attacks. It also is internationally very strongly criticized.
The third picture
Barbed wire and water trenches is the attempt of the Spanish government to protect their nation from North African refugees. It is 8.2km long
The fourth picture
This is an installation which is position Melilia by the Spanish government.
The fifth picture
This wall is Nikosia which is the Republic of Zypern which is in place since 1974, this line is protected by UNO-Blue helmets. This wall serves to separate the Greek and Turkish population.
The sixth picture
This wall separates North Korea and South Korea...
The seventh picture
This is in Orania which separates the white population of 700 people from the black people.
This is still in place ten years after the end of the Race-seperation.
The eight picture
This is in Padua Italy which was created to separate some of the immigrants from the rest of the populous which is supposed to limit the crime rate.

Here is the link...
http://www.welt.de/z/picshow2/index.php/item/Mauer/ie829edf7b0b39f21a714c0a8256f6712/?popup=popup