Great Wall of China photo copyrighted by: Alan Ingram
The Great Wall of China is a series of stone and earthen fortifications in China, built, rebuilt, and maintained between the 5th century BC
and the 16th century to protect the northern borders of the Chinese Empire during the rule of successive dynasties. the Great Wall winds up and down across deserts, grasslands, mountains
and plateaus stretching approximately 6,700 kilometers (4,163 miles ) from east to west of China.
Find more Great Wall images in the 7 Wonders gallery of Photorena.
All pics are under copyright of the photographer