'There is always another history or a more private story underneath the public face of any city, of any suburb,' wrote Sophie Cunningham in her acclaimed 2011 book, Melbourne. In Cunningham’s latest project, she continues to excavate these histories, and Melbourne’s shifting boundaries What is the history and logic of the current boundaries of the City of Melbourne, and what do we discover when we walk them? Where were the borders, limits and landmarks of the area pre-colonisation, and do they relate in any way to the boundary lines we have today? How do we manage resources, like water, that…