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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 os.tvboxnow.com0 T* L3 m, R. y- i; u% r
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![](http://i.dailymail.co.uk/i/pix/2012/08/21/article-0-14A2459C000005DC-809_968x643.jpg)
. W! p0 O6 h, }/ B& N 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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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 |