As President Trump takes office, Katty Kay in Washington and Christian Fraser in London report on the events that are shaping our world.

Archive footage telling the history of modern Britain. Melvyn Bragg looks back to the 1950s and the heyday of the British seaside holiday. Show more

Mariella Frostrup and Rev Richard Coles host the final of the amateur painting competition, with the artists facing two nail-biting challenges. Show more

Photographer Eamonn McCabe traces the story of British photography from the explosion of colour images in the late 1950s to the ongoing impact of the digital revolution. Show more

A Storyville documentary: the bizarre story of how North Korea's movie-loving dictator Kim Jong-il arranged for the Hong Kong kidnap of South Korea's leading lady, Choi Eun-hee. Show more

Veteran presenter Johnny Ball looks back over the 45 years that Horizon, and he, have been on air to find out what science has learned about how and why we grow old. Show more

In the first of two episodes in the rich tropical waters of the Indian Ocean, the team explores its remote and pristine underwater worlds and go in search of the elusive dugong. Show more

The story of choristers at Salisbury Cathedral from 900 years ago to the present day. Some of England's most musically gifted children make up the 32 choristers. Show more

Photographer Eamonn McCabe traces the story of British photography from the explosion of colour images in the late 1950s to the ongoing impact of the digital revolution. Show more