The Great Wall of China
The Leaning Tower of Pisa
The Eiffel Tower
Machu Pichu
Sydney Opera House
100

Where is it?

In China

100

Why did the tower start to lean when it was being build?

Because the soil beneath the tower was soft and unstable

100

Where is the Eiffel Tower?

Paris, France

100

What does 'machu pichu' mean?

'old mountain'

100

Where is it?

Sydney, Australia

200

Around how long did it take to build?

More than 2000 years

200

What did the builders do to try to counteract the leaning?

They put columns on the opposite side
200

When was it built?

1889

200

How many buildings and structures are there in the ruins?

More than 200
200
Around how many roof tiles cover the opera house?

More than 1000

300

How many watchtowers are there along the great wall?

More than 20,000

300

How was the tower strengthened in the year 2000?

By placing stronger soil under the tower

300

Why was it built?

To celebrate the 100th anniversary of the French Revolution

300

What century was it built?

14th century

300

How many shows are staged here per week?

More than 40

400

Around how many visitors go there every year?

More than 10 million

400

How much did the tower shrink?

4 meters (60 meters originally; now 56m)

400

How many people visited it in 2016?

More than 7 million people

400

Around how many people lived there?

Around 1000

400

How many tourists visit here every year?

More than 8 million

500

BONUS VIETNAM QUESTION

What colors are in the Vietnam flag?

Red and yellow

500

BONUS ABOUT VIETNAM

What letter shape is Vietnam?

S shape

500

FREE POINTS

FREE POINTS

500

Who 'discovered' the ruins? What year?

An American archeologist in 1911

500
How long did it take to build the opera house?

24 years, from 1959 to 1973