For prospective wine makers across the globe it is an area of land with huge potential. And with its land perfect for vine growing this one million acre estate in Argentina is attracting quite some interested. But any wannabe wine maker will have to have deep pockets - as the estate costs £6m.The 989,000 acre plot is the biggest ever to come up for sale in the world, and is the same size as Kent and is three-and-a-half times the size of Hong Kong.