Three early settlers found a way to bring horses and wagons through the Blue Mountains and the plains beyond, Their endeavours opened the region to expansion. Those historic expeditioners were. Blaxland, Wentworth and Lawson. Suburbs have been named after them along the road they surveyed. These statues at Katoomba are in honour of the original convict labour used to build the road, the soldiers appointed to keep the convicts working and also to the local aboriginal population who did their best to harass and stop the invasion.