Analyse @BBC's tweets
The moving moment @GretaThunberg and Sir David Attenborough met in person for the first time.
Greta Thunberg: A Year to Change the World / Streaming tonight at 9pm / BBC iPlayer https://t.co/fx2B9ofs3h
Greta Thunberg: A Year to Change the World / Streaming tonight at 9pm / BBC iPlayer https://t.co/fx2B9ofs3h