THE BASIC PRINCIPLES OF WHY ARE THE BLUE MOUNTAINS BLUE

The Scenic Railway in the Blue Mountains retains the title with the steepest railway on the globe, by using a fifty two-diploma incline. Initially developed to serve the Katoomba coal mine in the 1800s, the railway now provides a thrilling journey for visitors.Lowered into a population of fewer than a hundred trees, the Wollemi Pine survived within