Caves

24 photos of the Reed Flute Cave near Guilin, a huge underground cave system with stunning rock formations, stalagmites and stalactites, illuminated with coloured lights.

8 photos of the Pak Ou caves along the Mekong river

33 photos of the Batu caves near KL, a centre of Hindu worship

13 photos of the limestone caves of Gomantong in Sabah, where bird's nests are harvested

4 photos of the Clearwater cave in the Mulu NP

9 photos of the Deer cave, which derives its name from the deer which used to come to the cave to lick its salt.

12 photos of the Lang cave with its beautiful limestone formations

18 photos of the Wind cave, with its impressive rock formations

15 photos of Pindaya, a small town centered around a lake with a famous pagoda

12 photos of the Perfume pagoda (Chua Huong Tich in Vietnamese), a shrine in a cave on top of a mountain

196 photos of the Mulu national park, with its impressive cave systems and rock formations

13 photos of Perak Tong, perhaps the most interesting of the cave temples near Ipoh

11 photos of Gua Kek Look Tong, a Chinese cave temple set up in a large cave near Ipoh in Perak

13 photos of Sam Poh Tong, Malaysia's biggest cave temple located in Gunung Rapat, Perak

16 photos of the Wieliczka salt mine in southern Poland, a UNESCO world heritage site since 1978

8 photos of the limestone caves in Gua Labu, in the Ulu Muda forest reserve