Summer and its colours are back, and with the equinox just past, it's about time. Flashes of yellow, brilliant whites, azure blues: it's no longer a matter of greyness but of mimosas, sunglasses and train tickets to the South. We're watching out for UV rays while sipping our spritz on the patio, at last. So let's take a look at this week's selection of sunshine and summer. Let the sunshine, let the sunshine in...