In a chamber under the Liverpool ONE shopping centre stands the brick wall of the dock that made the city. Before 1715, ships anchored out in the estuary while small boats ferried cargo across for weeks at a time; the plan was to dam the tidal creek and build a 100-by-200-metre enclosed dock inside it, and afterwards a ship could unload and reload in a day. Filled in in 1825, found again during redevelopment.