An AI system that can understand the difference between beauty and the mundane has been developed by researchers. Scientists trained a neural network to'quantify' the beauty of outdoor spaces and found that natural scenes such as coasts and mountains ranked highly alongside man-made spectacles such as castles and towers. The findings could help policymakers to build more'beautiful' towns and cities, which will help to boost our mental well-being, researchers claimed. An AI system that can understand the difference between beauty and the mundane has been developed by researchers. Pictured is an image of Big Ben, one of the photos picked out as'beautiful' by the researchers' AI To help them quantify beauty, researchers fed an AI with more 200,000 images of scenery from different parts of the UK.