In 2020, the most ambitious drilling project in history is under way. Dr Nasreen Chaudry and her team have reached 21 kilometers into the Earth's crust - but something is stirring far below. Amy Pond discovers there's nowhere to run when you can't even trust the ground at your feet.
Creator | Sydney Newman |
---|---|
Actor | Jodie Whittaker, Mandip Gill, John Bishop |
Country | Canada, United Kingdom |
Production | BBC Cymru Wales |