Attenborough's Life Stories: Life on Camera Extended Preview

For 60 years, one man devoted his life to understanding and documenting the natural world. The first hour of this 3-part series looks at the developments in wildlife filmmaking that led to remarkable revelations about our planet and the creatures that inhabit it. "Attenborough's Life Stories: Life on Camera" premieres Wednesday, January 23 at 8/7c (check local listings).