The sacred waterway is used as a swimming pool, laundry, bathroom and rubbish tip. It's so heavily polluted at Varanasi that it's septic and Mike's about to bathe in it.
In the mangrove swamps of Borneo, Mike checks out the claws of a mangrove crab and the healing...
(04:54)Mike visits the Gomantong Caves in Borneo, full of a million bats and a hundred foot pile of bat...
(03:12)