Tokyo Earthquake | Q.E.D.
**DISCLAIMER FROM THE BBC** Please note that there are shots of corpses in this programme, and potentially upsetting material contrasting the lives of real people with fictionalised accounts of what might happen to them in the case of an earthquake. Documentary showing, in graphic and disturbing detail, the effects of a possible earthquake on 14 million people who live in Tokyo and on the fabric of the modern city; it also spells out the impact it would have on the rest of the world.
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1: Arctic Part 1 | Undiscovered Worlds with Steve Backshall
Steve Backshall visits unexplored parts of the world. This time his team is kayaking in the Arctic - they face perilous sea ice and have a terrifying encounter with a polar bear.
2: Arctic Part 2 | Undiscovered Worlds with Steve Backshall
Naturalist and explorer Steve Backshall leads a team on a mission to summit a remote and unclimbed mountain deep in Greenland's Arctic wilderness.