Here I am, up in the sky over the Indian Ocean, somewhere near Sri Lanka. The inflight data systems on an Emirates A380 tells us where we are, at any given moment, so I can tell you that we are currently whizzing along at about 600 mph, at 39,000 ft, and we've covered 5,000 miles since leaving Melbourne, which means that there is still a good five hours to go before we get to Dubai.
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