BBC Life 101 - 1st lesson: not everything is as it seems

In this clip, David Attenborough explains how the talented crew got a fantastic shot of plants growing in an English woodland over several years.

They first filmed a background plate then filmed in a studio using blue screen.

Watch out for the bike wheel, wooden crane and other clever home built stuff - if the pros can make magic out of bits and pieces then ..

I want to do the same with some shots for the next series of Bush Telly programmes, bringing together cross-sections of soils, geography and life

1st lesson: not everything is as it seems