On a windswept hillside near Yass, a howling southerly blows through the 19th-century keyhole in an historic wooden door at Cooma Cottage. It's probably the same keyhole that explorer Hamilton Hume, who called this modest bungalow home between 1839 and 1873, used to lock and unlock the door.
"Oh, it creates a terrible draught," mutters one of the volunteers of the heritage property, now a well-known National Trust tourist attraction.