Turkey's newly appointed ambassador to Berlin presented his credentials to Germany's President Joachim Gauck Tuesday.Ambassador Ali Kemal Aydın, who also formerly served as Foreign Ministry deputy undersecretary, was appointed as Turkey's new ambassador to Berlin in June.Aydın presented his credentials to Gauck at Bellevue Palace, where he met with the president for nearly 30 minutes.The experienced diplomat had previously served as the ambassador to Aleppo and also worked as the deputy general manager of Foreign Ministry's Economic and Social Relations Department.