Wollongong's Wonderwalls festival 2015: amazing before and after shots of street art.

By Desirée Savage
Updated October 5 2015 - 12:50pm, first published 12:30pm
A work in progress - before and after shots of street art festival, leaving a permanent mark on Wollongong's CBD.

The 2015 Wonderwalls street art festival began Friday 2nd October, with a host of acclaimed local, national and international artists picking up a spray can.