Traveling in a caravan, or specifically in British English, vacationing in a motorized caravan or camper trailer.
From caravan, which comes from Persian kārvān meaning 'merchant convoy.' The gerund form -ing was added in the 20th century as caravan holidays became popular.
Caravanning culture in Britain and Australia became so huge that it fundamentally changed tourism—people realized you didn't need hotels if you brought your own mobile room!
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