PRODES, relies mainly on Landsat, an American satellite which provides colour images of great detail (each pixel represents 30 metres on the ground).

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Now two fascinating new books on Sienese painting, as well as a recent exhibition, tell the story of early Italian art from the Sienese viewpoint, full of colour, emotion and narrative detail.

ECONOMIST: Italian painting: A touch of heaven | The

The W series of LED BRAVIA televisions includes the KDL-W905A, KDL-W805A, KDL-W650A and KDL-W600A. In addition to being Wi-Fi enabled, all W-series models utilize Sony's acclaimed X-Reality PRO picture processor which ensures the TV displays unprecedented detail and astonishing colour regardless of the content source.

ENGADGET: Select Sony Bravia W-series TVs now available for pre-order in Europe