For a fee which is eminently reasonable we are able to delay checkout till 6pm, hugely useful when it’s an overnight flight home. One last ride on the MRT and a couple of stops on the Skytrain and we’re wandering into a crowded Changi Airport, still far too early for our flight but happy to kill time with a beer and a sandwich. Until, that is, the lady at the check-in desk suggests we stay land-side and head to the Jewel. Has anyone seen the Jewel at Changi in the last few years? At night? Just when we think we’ve seen all of the wonders which Singapore has to offer,…