Like a cluster of fairytale mushrooms rising out of the water, glittery with ocean dew; that twinkling sea so clear you can see the shadows of fish nudging about at the bottom, it’s almost hard to believe that Sun Siyam resorts are real. After 10 hours in the sky, leaving grey, drizzly London in the dark and arriving to the sight of over-water villas peeping out of gin-clear lagoons, landing in the Maldives feels something of a spectacle.