Luoyang (洛阳) is a prefecture-level city in western Henan province of Central China. It borders the provincial capital of Zhengzhou to the east, Pingdingshan to the southeast, Nanyang to the south, Sanmenxia to the west, Jiyuan to the north, and Jiaozuo to the northeast. As of the final 2010 census, Luoyang had a population of 6,549,941 inhabitants with 1,857,003 people living in the built-up (or metro) area made of city's five urban districts, all of which except the Jili District not urbanized yet.
Situated on the central plain of China, Luoyang is one of the cradles of Chinese civilization, and is one of the Four Great Ancient Capitals of China. The The Chinese phrase Four Great Ancient Capitals of China (中国四大古都) traditionally refers to Beijing (the current capital of the People's Republic), Nanjing, Luoyang, and Chang'an (Xi'an). (Source - wikipedia)
Below are photos of aerial view of the narrow and treacherous walkway along cliffs at Mazongling Mountain in Luoyang, Central China’s Henan province, July 5, 2015. The mountain, a scenic spot, is 2200 meters at its peak. (Photo: China News Service/Wang Zhongju)