Step out onto the terrace of the Bodega Vinorum in Luján de Cuyo and, glancing at the elegant iron wrought railings and the railway station clock, you feel like you are on an old-fashioned train platform. It is the perfect departure point for a tour of Argentina's most famous wine region, the province of Mendoza at the foot of the Andes mountains. Wine flourishes here, amid the area's dry microclimate, altitude and stony soil of a former riverbed. "At the end of the 19th century, the first migra