Pakistani students sing a song during a ceremony at the mausoleum of the founder of Pakistan Muhammad Ali Jinnah to mark the country's Independence Day in southern Pakistani port city of Karachi on Aug. 14, 2018. Pakistan got independence from the British colonial rule on Aug. 14, 1947 after a heroic struggle under the leadership of Muhammad Ali Jinnah, the founder of Pakistan. (Xinhua/Masroor)