Supporters of Recep Erdogan carry Turkish and Justice and Development (AKP) party flags before a political rally in support of the September 12 referendum which would change the nature of the country's constitutional court to solidify the hold of the ruling Justice and Development (AKP) Party under the pretext that it would prevent future military coups, held by Turkish Prime Minister Recep Erdogan in Turkey's conservative far northeast city of Erzurum, the first major city near the route of the Baku-Tbilisi-Ceyhan oil pipeline in Turkey, located just 10 kilometers from the pipeline which traverses numerous villages near the city's airport, on August 13, 2010.