Snap up Sydney Open tickets for your chance to explore this underground heritage-listed tunnel
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Sydney Open is a chance to stickybeak into the landmark buildings that make up the city’s skyline and to gain access to otherwise closed off spaces, like abandoned railway tunnels or a 1890s police cell.
If you book your Sydney Open Pass by Sunday October 15 you'll be in with a chance to win two golden tickets to the exclusive exploration of the Tank Stream. This will give you special access to step inside this heritage-listed underground curiosity. The tunnel was built by convicts and stonemasons and was vital source of water for the First Fleeters. Before it was built it was the site of a freshwater stream that ran right into the harbour from a swamp, located at what we now know as Hyde Park. It was a source of water for the Gadigal people for tens of thousands of years.