From tales of giant tortoises trampling tents to almost getting shot, this is a relentlessly entertaining documentary about one of David Attenborough’s greatest pieces of TV From tales of giant tortoises trampling tents to almost getting shot, this is a relentlessly entertaining documentary about one of David Attenborough’s greatest pieces of TV L ife on Earth has a good claim for the top spot in any list of the best British TV shows of all time. A giant leap forward from previous wildlife