This day, 3 September, in 2016, President Xi Jinping and President Obama successively deposited documents of ratification of the Paris Agreement between China and the United States to United Nations Secretary-General Ban Ki-moon in Hangzhou.
2016年9月3日的这一天，习近平主席和奥巴马总统先后在杭州向联合国秘书长潘基文交存了中美巴黎协定的批准文件。
