What fragments of our civilisation will persist 10,000 years in the future? How can we shape society for distant descendants? Helen Keen meets the people and projects with a plan. Show more
Discover 11,128,835 listings and 277,853 playable programmes from the BBC
What fragments of our civilisation will persist 10,000 years in the future? How can we shape society for distant descendants? Helen Keen meets the people and projects with a plan. Show more