Walking Through Time

Channel 4

Saturday 29 April 2017  20:00 - 21:00 (60 mins)
Dr Tori Herridge searches for the site of a huge meteorite that landed on Scotland's beautiful north-west coast a billion years ago; one of the world's biggest asteroid impacts. (S1 Ep1/3) [AD,S]

Walking Through Time may be available on playback
Walking Through Time (Channel 4) Saturday 29 April 2017 20:00 - 21:00