Photo shows the amazing scenery of Mutianyu Great Wall in Beijing, capital of China, Oct. 25, 2015. Located 73 kilometers from downtown Beijing, it is the essence section of the Great Wall. This well-preserved section was built about 1,400 years ago and reconstructed later under the Ming Dynasty. It joins the Juyong Pass in the west and Gubeikou in the east. [China.org.cn/Photo by Yang Dong]