An old couple enjoy themselves on a late autumn day in the Central Park in New York, the United States, on Oct. 26, 2013. (Xinhua/Wang Lei)

A woman holding her baby stands under a maple tree on a late autumn day in the Central Park in New York, the United States, on Oct. 22, 2013. (Xinhua/Wang Lei)

People enjoy themselves on a late autumn day in the Central Park in New York, the United States, on Oct. 26, 2013. (Xinhua/Wang Lei)

Two Women stand by a lake on a late autumn day in the Central Park in New York, the United States, on Oct. 22, 2013. (Xinhua/Wang Lei)

Visitors take souvenir photos with a huge pumpkin on a late autumn day in the Central Park in New York, the United States, on Oct. 26, 2013. (Xinhua/Wang Lei)

People enjoy themselves on a late autumn day in the Central Park in New York, the United States, on Oct. 26, 2013. (Xinhua/Wang Lei)

People enjoy themselves on a late autumn day in the Central Park in New York, the United States, on Oct. 26, 2013. (Xinhua/Wang Lei)

Pedestrians walk through a path on a late autumn day in the Central Park in New York, the United States, on Oct. 26, 2013. (Xinhua/Wang Lei)