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Kerry Hamilton climbs a cave rope attached to bamboo scaffolding to scale the inner waterfall of Tham Susa in Pang Mapha, Thailand 公仔箱論壇' j# x* y* W$ `: P# b
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John Spies photographed at the entrance chamber of Tham Susa, a filming site for BBC's Planet Earth sequence in Pang Mapha, Thailand
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8 P6 v- |$ }6 {- B% K4 t Oolites or cave pearls are sedimentary rocks formed from ooids, spherical grains composed of concentric layers. These were photographed in a cave in Pang Mapha, Thailand |