Art News from Around the World: • The ‘Versailles Of Wales’ Is Falling Into Ruin • Ireland, Britain Reach Agreement In Century-Long Dispute Over Art Collection • The ‘Guernica’ Replica Tapestry Hanging In The UN Has Been Repossessed By Its Rockefeller Owner • A 127-Year-Old Spanish Sports Venue Would Like To Become A Heritage Site • How To Smell A Dutch Still Life, Virtually