it also was once the heart of the maya civilisation. today, hundreds of houses, fortifications, temples and other structures lie hidden beneath the jungle. i like this part. but some archaeologists are determined to change that. they've devoted their careers to getting the jungle to give up its secrets, and new technology has revealed that, despite decades of work, they have only begun to scratch the surface. there's a deep hole, and that's where they're digging right now. car starting don't let me down.