Tony Cragg's 'A Rare Category of Objects' opens at YSP
'Carmen Herrera: Lines of Sight' at the Whitney Museum of American Art
'Seeing Round Corners' to open at Turner Contemporary, Margate
Giulio Paolini at Museo Poldi Pezzoli, Milan
Ceal Floyer at Kunstmuseum Bonn
Dan Graham Rooftop Commission
Richard Long: Prints 1970–2013 at Hamburger Kunsthalle
