How to pull off dinner in a cave: 23 chefs and 100+ catering staff. An incredible night at the iconic Reed Flute Cave in Guilin, China. Records of travelers visiting the caves go back 2500 years. Normally reserved for state visits, National Geographic Expeditions was the first private group to get approval for a private evening event in 40 years. In the background, members of the Guangxi Symphony prepare to take the stage.