Editor’s note: Sign up for Unlocking the World, CNN Travel’s weekly newsletter . Get news about destinations, plus the latest in aviation, food and drink, and where to stay. CNN  —  Killing time in the airport is ordinarily such a drag that there’s a whole TikTok trend devoted to people making it through the terminal in as little time as possible. Not so in Singapore Changi, which has just been crowned the World’s Best Airport for the 13th time by air transport rating organization Skytrax .