Level Two Colour:White The school was later converted

The school was later converted to group lodging by Yubari Kanko Kaihatsu Co

Clinker Bins at Rozelle

A Basic Oxygen Steelmaking converter mid-charge: molten iron and scrap collide in a cascade of sparks and white light at Port Kembla Steelworks

Bunker Conveyors at Wangi Wangi

Level Two Colour:White The school was later convertedTiered excavation terraces step down through the dolerite walls of Hornsby Quarry, the void now holding still water at its base. Quarrying here from around 1905 until 2002 cut more than 100 m through a Jurassic volcanic neck, the largest diatreme exposure in the Sydney Basin. Part of the Hornsby Quarry series.