Descending the stairs into Mona’s lowest level, the area known as the Void, it’s hard to miss the vast sandstone wall – layers and layers of rock showing millions of years of history into which Mona was cut. It’s the morning of the launch of three new exhibitions at the Hobart gallery. Mona curator Emma Pike reads an Acknowledgment of Country that addresses the fact that during the building’s construction, Aboriginal heritage sites were either moved, buried or destroyed.