![Thai tourist hotspot Chiang Mai tops list of world's most polluted cities. Photo: Unsplash / David Gardiner](https://thenational-the-national-prod.cdn.arcpublishing.com/resizer/v2/SULXP2OTBRARZDHPR63VVRNXVY.jpg?smart=true&auth=dc27f505769ca4993315b234d32194bdb461fe9bdff26fb9447df52ad4165856&width=400&height=225)
Thai tourist hotspot Chiang Mai tops list of world's most polluted cities. Photo: Unsplash / David Gardiner
Thai tourist hotspot Chiang Mai tops list of world's most polluted cities. Photo: Unsplash / David Gardiner
Travel Unpacked: Qatar Airways first-class cabins and safety advice for Iceland
The National rounds up the most interesting tourism news you might have missed