Museum of Old and New Art/Flickr, CC BY-SA The structure of the Museum of Old and New Art (MONA) is cut directly into Hobart’s Berriedale Peninsula – walls carved from roughly 250-million-year-old sandstone that formed when Tasmania was still part of the supercontinent Gondwana. It’s the perfect setting for Berlin-based French-Swiss artist Julian Charrière’s latest exhibit, Hard Core. This is not just an exhibition about rocks. It is about how we humans fit into deep time, and how we dig up, res