Being on for only around three weeks helps: people seem to look forward to it every year, and there isn’t much time to get bored.
Another factor is you see a new side to some celebrities – and, sometimes, find out why they are famous in the first place! It’s the same trick Strictly Come Dancing has managed to pull off, with so much success.
The new tasks and the new personalities keep it fresh, even if the location remains the same.
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