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The great wall if China length is 21.196.18 km
The wall is more than 2000 years old
The hight of the wall is between 7m to 8m and the highest place is 14m
The great wall of China is considered as a world heritage by the UNESCO
The wall was build to keep the enemies of china away and i was buit in 6 dynasties
The wall receives more than 63million tourist every year
The wall called "the longest cemetery in the world" due to the many souls that died during the constructions
The wall's bricks does not hold by cement, but by sticky rice and some other ingredients
Nearly 1/3 of the wall dissapeared without trace