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Tagssinkhole
2 places carry this tag, across every kind and continent it appears in.
🇴🇲 Oman · Buried city
Iron Age to Late Antique (1000 BCE – 500 CE) · Arabian frankincense / South Arabian / Parthian
Qur'anic Iram dhat al-'Imad — 1992 SAR identified Shisr 8-tower limestone fortress collapsed into sinkhole c. 500 CE (contested as Ubar).
🇹🇷 Turkey · Ancient city
Hellenistic to medieval (c.400 BCE–1200 CE) · Olbian priest-kings → Isaurian pirates → Roman → Byzantine
Sinkhole-city Kanytelis: 60 m chasm with rim temples, three basilicas and tower-tomb skyline.
