Xi'an Huancheng Park in Xi'an, capital of Northwest China's Shaanxi province, is filled with a variety of colors every autumn. [Photo/IC]

People enjoy the colorful autumn scenery of Xi'an Huancheng Park. [Photo/IC]

Xi'an Huancheng Park is a park featuring a city wall from the Ming Dynasty (1368-1644), a moat, and a forest belt around the city. [Photo/IC]

As temperatures continue to drop in late autumn, tree leaves turn cardinal red at Xi'an Huancheng Park. [Photo/IC]