Hallo stalker, yes that is zig-zag.
Rusty sheds are a good idea.
Mundaring Weir looks like a long lost forrest road in places?
http://a7.sphotos.ak.fbcdn.net/hphotos-ak-snc6/225885_10150189090114081_688359080_6980319_6037285_n.jpg
http://a6.sphotos.ak.fbcdn.net/hphotos-ak-snc6/225032_10150189090499081_688359080_6980322_2403636_n.jpg