I had a lot to get done around the house, so as soon as I heard there might be a shiny new piece of street art near me, under the Cumberland Basin flyovers, I immediately decided that was all the excuse I needed to set off on a round-the-harbour lunchtime walk to get some fresh air and see if I could spot it. So, here's a circular wander that takes in graffiti, boats, wildlife and graffiti again...