What on Earth?

QUEST

Tuesday 25 December 2018  18:00 - 19:00 (60 mins)
A giant letter Z is carved into a Mexican hillside, evoking the mark of a legendary outlaw. Plus, a strange sighting in Germany points to secrets from the Cold War. S3/Ep9

What on Earth? (QUEST) Tuesday 25 December 2018 18:00 - 19:00