The future is not a random choice. Every time we choose we change ourselves, and it's what fulfills our lives.

Only today's harmonious coexistence with nature offers hope, and a promising tomorrow is the future.

"With concerted thinking and efforts, mankind will cope with the climate and environmental challenges. We look forward to bringing a clean and beautiful world to future generations," said Chinese President Xi Jinping.

(Subtitles translated by Wang Yushuo, added by Wang Junying; Video: Courtesy of the Cyberspace Administration of China)