Before Cultural and Natural Marvels Make UNESCO World Heritage Status,
< img src=" https://th-thumbnailer.cdn-si-edu.com/jHbPZ_C0ue4erzAqAPTyKV2qL-8=/fit-in/1600x0/filters:focal (2160x1440:2161 x1441)/ https://tf-cmsv2-smithsonianmag-media.s3.amazonaws.com/filer_public/6c/46/6c465aac-ad77-47ec-9e5d-ec259813c510/2s1ajh0.jpg" alt="" > Featuring more than 1,800 websites from 181 nations and areas, UNESCO’s tentative list is a bonanza of lesser-known marvels Source
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< img src=" https://th-thumbnailer.cdn-si-edu.com/jHbPZ_C0ue4erzAqAPTyKV2qL-8=/fit-in/1600x0/filters:focal (2160x1440:2161 x1441)/ https://tf-cmsv2-smithsonianmag-media.s3.amazonaws.com/filer_public/6c/46/6c465aac-ad77-47ec-9e5d-ec259813c510/2s1ajh0.jpg" alt="" > Featuring more than 1,800 websites from 181 nations and areas, UNESCO’s tentative list is a bonanza of lesser-known marvels
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