What is the difference between The London Bridge and Sydney Harbour Bridge?

- Located in London, England.

- Completed in 1179.

- Originally made of wood.

- Rebuilt in stone in the 1200s.

- Has been repaired and rebuilt many times over the centuries.

- Currently a tourist attraction and pedestrian bridge.

Sydney Harbour Bridge

- Located in Sydney, Australia.

- Completed in 1932.

- Made of steel.

- One of the longest steel arch bridges in the world.

- Known as the "Coathanger" because of its shape.

- A major landmark and tourist attraction in Sydney.