How was the Sydney Harbour Bridge built?

Imagine a city divided by a massive, deep harbour where the only way across is waiting in a huge line for a slow ferry boat! That was Sydney, Australia in the early 1900s. But then, an engineer had a giant dream to build a massive steel rainbow across the water! Join Mira and Finn as they travel back in time to discover how the world-famous Sydney Harbour Bridge was built! Learn about the workers who hung hundreds of feet in the sky with no safety harnesses, throwing red-hot metal rivets thro...