I have not been to this site, but they are most likely hand-dug shrines similar (though probably not as well decorated) as the Mogao Caves on the Silk Road (which I have been to) near Dunhuang, western China. They are probably not karst kinda caves.
http://whc.unesco.org/en/list/440 DirtDoc ----- Original Message ----- From: germa...@aol.com To: Texascavers@texascavers.com Sent: Tuesday, September 18, 2012 9:42:09 AM Subject: [Texascavers] Cave trip to Nepal, anyone? Cave trip to Nepal, anyone: http://ngm.nationalgeographic.com/2012/10/mustang-caves/richards-photography?source=email_photo&utm_source=NatGeocom&utm_medium=Email&utm_content=pom_20120918&utm_campaign=Content julia