One of the 7 new wonders of the world that is Petra. Determination of the seven wonders of the world is a choice of 100 million people around the world via the internet site and a short message (SMS) mobile phone, which was held by the Swiss Foundation, and announced in Lisbon, Portugal, on 07-07-07, aka July 7, 2007.
Petra is a city founded by carving stone walls in Jordan. Petra comes from the Greek word meaning 'stone'. Petra is the symbol and protection techniques.
This word refers to the city building made of stones in the Wadi Araba, a rocky valley in Jordan. The city was founded by digging and carving the rocks as high as 40 meters.
Petra was the capital of Nabatean kingdom. Established nine years before Christ until the year 40 AD by King Aretas IV as a city that is difficult to penetrate the enemy and secure from natural disasters such as sandstorms.
Petra Nabatean tribes to build irrigation systems that extraordinary complex. There are water tunnels and chambers that channel water to the city water supply, thus preventing a sudden flood. They also have a hydraulic technology to lift water.
There is also a theater that can accommodate 4,000 people. Today, the Palace Tomb Hellenistis has 42 meters high is still standing there impressive.
