Mars, on the other hand, is thought to have been shaped mostly during the period of primordial accretion and the so - called Late Heavy Bombardment, when asteroids carved out massive impact basins and pushed up huge volcanoes.
Richard McLane, Design Director of Bisca Staircases advises «drawing the eye to the natural curve of existing timber beams with a unique design feature of handcarvedhuge treads from green oak.