10 Unbelievable Facts About The Great Wall Of China

(via Listverse) The Great Wall of China is a series of defensive walls that surround China. The walls were built to protect ancient China from its neighbors and other pesky invaders, who often attacked whenever they got the opportunity. Construction took several hundreds of years, during which sections were continuously added to the walls until they were merged to form one long continuous structure. There are lots of unbelievable facts about the wall… here are ten.