Creative expression has taken to Libya in a big way since the revolution, with art, news papers and music. This is a look at some of the street art which has swept across the capital Tripoli.

The North Atlantic Treaty Organization (NATO) is an intergovernmental military alliance based on the North Atlantic Treaty signed on 4 April 1949.

NATO constitutes a system of collective defense in response to an attack by any external party.

The NATO headquarters are in Brussels, Belgium.

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• NATO members
• NATO organization
• North Atlantic Treaty
• North Atlantic Treaty Organization
• NATO's purpose
• NATO and Politics