The Great Wall of China

• Understand why the Great of Wall of China was built

• Understand the types of materials, who and how long it took to built

• Understand how the wall has evolved throughout history

• This statement has been corroborated by astronauts

• It is even hard to make out other parts of Earth

• It is NOT an Ancient Wonder, just a Wonder

• Others wonders in this list:

• Colosseum (Rome), Stonehenge (England), Taj Mahal (India), Chichen Itza (Mexico), Petra (Jordan), Machi Picchu (Peru), Christ the Redeemer (Brazil)

• Began in 221 BC with Shihuangdi

• Continued during the Han Dynasty (206AD-220AD)

• Most preserved part of the wall built during the Ming Dynasty 1360's-1660's (Mongols invasion)

• However, there are massive grave sites near parts of the wall

• It is uncertain about how many were forced to build it & how many died

It could withstand the harsh elements of nature, especially earthquakes

• Stone

• Bricks

• Sand

• Wood

• Soil/Earth

• Reeds

• 13,100 miles long

• Average height: 23 feet

• Average width-21 feet

• Remember that this is NOT a fully connected wall

• Psychological wall

• Sent a strong message about the strength of China

• This proved to be a feat for any invaders especially for the Huns & Mongols

• Supplies & weapons

• Housing for soldiers

• Watchtowers (most important)

• Why were the watchtowers the most important?

• Used fire and smoke signals

• The "message" could be passed along the wall using fire/smoke

• Complete the posted Edpuzzle about the Great Wall of China (10 points)

• As always, please complete any missing work