Ban Ki-moon

United Nations Secretary General Ban Ki-moon sits in his designated seat during the opening of the third UN Habitat Conference, in Quito, Ecuador, Monday, Oct. 17, 2016. The meeting kicked off in Quito on Monday with the goal of tackling haphazard growth and fostering livable, self-sustaining cities amid a boom in the global urban population. (AP Photo/Dolores Ochoa)