Editor’s Note: Sign up for Unlocking the World, CNN Travel’s weekly newsletter. Read tips on how you can make your next trip greener and then check out the rest of the news from the world of travel this week. Lost bags are partly why luggage trackers have become the hottest travel accessory of 2023. If it’s the largest mirror-covered building in the world you’re looking for, though, the place to head is Saudi Arabia. If you’re a camping novice, our explainer tells you everything you need to know before you set out.

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