“Armchair tourists who are used to travelling the globe with Google Earth can now use the same technology to crawl all over the masterpieces in one of the world’s most famous galleries: the Prado. The Madrid museum and the internet search giant today unveil the first use of Google’s mapping programme to allow art lovers to get so close to their favourite paintings that even the brush strokes are visible.” Fourteen paintings, including “The Garden of Earthly Delights,” are on view.