 Although criticised, the funnel design proved to be highly effective in keeping smoke off the rear decks.The smoke deflectors became popular in ship design during the 1970s and 1980s, whereas the idea of allowing wind to pass through the funnel was picked up again in the late 1980s and is almost the norm in modern shipbuilding.The "Michelangelo"s interiors were designed by naval architects Nino Zoncada, Vincenzo Monaco and Amedeo Luccichenti, who gave the ship a less adventurous, more traditional look than the designers of her sister "Raffaello".