Protestors take part in the "flood Wall Street" demonstrations against climate change in New York, the United States, Spet. 22, 2014. (Xinhua/Yin Bogu)

Protestors take part in the "flood Wall Street" demonstrations against climate change in New York, the United States, Spet. 22, 2014. (Xinhua/Yin Bogu)

Protestors take part in the "flood Wall Street" demonstrations against climate change in New York, the United States, September 22, 2014. (Xinhua/Yin Bogu)

Protestors take part in the "flood Wall Street" demonstrations against climate change in New York, the United States, September 22, 2014. (Xinhua/Yin Bogu)

Protestors take part in the "flood Wall Street" demonstrations against climate change in New York, the United States, September 22, 2014. (Xinhua/Yin Bogu)

Protestors take part in the "flood Wall Street" demonstrations against climate change in New York, the United States, September 22, 2014. (Xinhua/Yin Bogu)

Protestors take part in the "flood Wall Street" demonstrations against climate change in New York, the United States, September 22, 2014. (Xinhua/Yin Bogu)

Protestors take part in the "flood Wall Street" demonstrations against climate change in New York, the United States, September 22, 2014. (Xinhua/Yin Bogu)