Sultan Abdullah Sultan Ahmad Shah salutes during the welcome ceremony at the parliament square in Kuala Lumpur, Malaysia, Jan. 31, 2019. Sultan Abdullah Sultan Ahmad Shah was sworn in as Malaysia's 16th king in a ceremony at the national palace on Thursday. Malaysia is a constitutional monarchy, with nine sultans or rulers, who head their respective state and act as the religious leader, taking turns to serve as the king for a five-year term. (Xinhua/Zhu Wei)