Greece's president, newly appointed caretaker PM attend swearing-in ceremony (4)

Greece's President Prokopis Pavlopoulos (7th L, front) and newly appointed caretaker Prime Minister Vassiliki Thanou (7th R, front) attend the new government's swearing-in ceremony at the Presidential Palace in Athens, capital of Greece, on Aug. 28, 2015. Greece's top judge, Supreme Court President Vassiliki Thanou became the first female Prime Minister in the history of the country on Thursday ahead of Greece heading to snap elections in September. (Xinhua/Marios Lolos)