Turkish President Recep Tayyip Erdogan addresses a ceremony held for official registration of the president at the ruling Justice and Development Party (AKP) headquarters in Ankara, capital of Turkey, on May 2, 2017. Turkish President Recep Tayyip Erdogan officially rejoined the ruling Justice and Development Party (AKP) on Tuesday after absence of about three years after referendum win to give him more powers. (Xinhua/Mustafa Kaya)
