So you step on to the endless travelator that is international air travel. You queue up, check in, walk on, sit down and belt up. Food appears [ingest], you avoid watching a film intended offend no-one and you sleep fitfully. More foods appears [ingest], and after 11 hours aloft you disembark to face the unsmiling man in immigration and eventually step, blinking, in Joburg, into the light of Africa
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