Peter Thomson(C), president of the 71st United Nations General Assembly, gavels to open the 71st session of the UN General Assembly, at the UN headquarters in New York, Sept. 13, 2016. The UN General Assembly on Tuesday kicked off its 71st session at UN Headquarters in New York, with a focus on the joint world efforts to carry out the Sustainable Development Goals (SDGs), a blueprint for the global development efforts for the years up to 2030. (Photo/Xinhua)
