Wooden poles. Getting down to bedrock, pile driving, footings, yes, this is about building construction. No less than two poles, probably, one after the other, are hammered down a long way to reach bedrock. The area near The Junction was a swamp, they say, and I seem to recall it was once said a river estuary was in the vicinity in ancient times.
Another school building. Is it part of the program called 'building the eduction revolution' which is a big investment from the Australian government and is for economic stimulus and job creation in the construction industry.