Prepare to see it as never before. 8.58/10 2006-12-10 48 minutes.HDThe team spend a month amongst an enormous mound of bat guano in Gomantong Cave as they film the hundreds of thousands of cockroaches and other inhabitants that live there. The amazing Lechuguilla Cave of New Mexico provides a whole other set of challenges.An: 2006Studio: BBC OnePays: Japan, United Kingdom, United States of America