Preview Grand Staircase, double-helix staircase presumably designed by Leonardo da Vinci in the Chuteau de Chambord, France Image ID: 1116-24541 Artist: Peter Langer Purchase a commercial license Buy framed prints & more from our print store france french europe europa architecture art art history chambord chuteau de chambord double helix grand staircase leonardo da vinci loire loire valley between sully sur loire and chalonnes renaissance staircase unesco world heritage site