Art on the Underground

While sorting through photographs I found these, taken on the Underground last year - artists using the red-circle-blue-line logo of London Underground -

London Underground has been commissioning and presenting art and design since 1908. Since 2000, Art on the Undergound has been working with artists to produce and present new artworks "to enhance and enrich the journeys of millions on the Tube every day". Read and see more here.