1. The name is Tham Nang Oua Khiam (With Nang Oua being the mountain massif. The french expedition team that surveyed this system is the late 90s named it Tham Sii.

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  2. Spelling correction

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  3. Cave discovered, small cavity with underground river. Known only to locals, 25m from entrance reaching a siphon leading to 100m+ river tunnel. Named "Spider" in laos due to large population of Heteropoda species (Aemulans and Vangvieng). Dimitri + Mimi

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