“This is not the kind of artwork you stand and look at,” he explains, “it’s a piece you interact with; the public is part of the artwork,” says Lancelin of the artwork that is constructed, miraculously , of a single piece and measures eight metres by eight at full capacity, but deflated fits in the boot of a car. “When it’s not inflated on the floor it looks like a giant puzzle. Until it’s finished you don’t see anything, you need to inflate it to see its shape. It’s very efficient.”