The Great Wall of China
How long is the Great Wall of China?
A. About 20.000 km
B. About 21.000 km
C. About 22.000 km
B. About 21.000 km
How old are the earliest sections of the Great Wall?
A. About 500 years old
B. About 1000 years old
C. About 2000 years old
C. About 2000 years old
Why was the Great Wall built?
A. To grow crops
B. To connect villages
C. To defend China from invasions
C. To defend China from invasions
What were the watch towers used for?
A. Send messages using smoke and fire
B. To house emperors
C. To store food
A. Send messages using smoke and fire
A. A quarter of the length of the equator
B. Half the length of the equator
C. One - third of the length of the equator
B. Half the length of the equator