$ u1 q+ M+ N+ X& p1 D5 c2 B0 o
Kerry Hamilton climbs a cave rope attached to bamboo scaffolding to scale the inner waterfall of Tham Susa in Pang Mapha, Thailand ) l% Z0 _4 @! e) P+ d) ?) c
3 j2 z# v- y0 I+ ?

( f6 _$ w! l4 K; u- D( t8 a公仔箱論壇 John Spies photographed at the entrance chamber of Tham Susa, a filming site for BBC's Planet Earth sequence in Pang Mapha, Thailand
j4 I9 C( d, A# ~2 u8 B/ R公仔箱論壇 tvb now,tvbnow,bttvb6 J$ R x6 {9 H

1 k: `' Y- P9 X# Z' @7 d/ }$ L 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 |