2. Order the buildings from the earliest
construction to the latest.
• The Colosseum.
• The Eiffel Tower.
• Tower Bridge, London.
• The Sydney Opera House.
• The Empire State Building.
• The Taj Mahal.

3. 1. The Colosseum (about AD 80)

4. 2. The Taj Mahal (1648)

5. 3. The Eiffel Tower (1889)

6. 4. Tower Bridge, London. (1894).

7. 5. The Empire State Building. (1931)

8. 6. The Sydney Opera House (1973).