Parts of Great Wall still to be found

The oldest sections of the Great Wall in the Beijing area - parts built around 1,500 years ago - should be getting more attention, according to an authority on the ancient landmark.

Tang Xiaofeng, a professor from the center of historical geography at Peking University, made the observation while explaining his research to members of the third session of 11th Beijing municipal committee of the Chinese People's Political Consultative Committee.

Tang has been studying the most ancient sections of the wall for five years and co-wrote a book about the "forgotten sections" in the shadows of Beijing's Yanshan Mountain.