Salvaged steel and a slice of countryside: Caro sculptures on show in Oxfordshire fields

Visitors can get free peek at works by one of UK’s most significant 20th-century artists and one of his successorsSwifts screech overhead, hares lope along the grassy paths and butterflies flutter in the woodland fringe. There is an orchard; there are chickens, beehives. It seems simply a lovely, if conventional, slice of English countryside – until you happen upon striking sculptures fashioned out of chunks of reclaimed steel or machinery parts salvaged from factories, shipyards and farms.The pieces are the stars of a show called Heavy Metal, which brings together work by one of the UK’s most significant 20th-century artists,