Great Buildings

The Great Pyramid

The Great Pyramid is more than 138 meters tall.

Leaning Tower of Pisa

Tall buildings are difficult to make.

They need very strong stone walls.

But stone walls can be too heavy.

The skyscapers

No skyscrapers was the tallest

building for very long—–people

soon made taller onse!

للB

Metal cage buildings

Tall buildings like the Eiffel Tower in France are not skyscrapers, but they have strong metal cage.

Sydney Opera House

It was very difficult to make this roof our of concrete.