The Road to Coronation Street

Sophie Raworth presents live from Amiens Cathedral in France to commemorate the centenary of the battle that changed the course of the First World War.

A powerful, moving film about the world's greatest video artist Bill Viola and his wife and collaborator as they embark on a twelve year odyssey to create and install two permanent video installations, Mary and Martyrs into St Paul's Cathedral, London.

Having suffered from the Great East Japan Earthquake, the people of Iwate Prefecture are now working hard to launch new businesses and promote tourism with the remaining natural beauty and resources.

Six years have passed since northeastern Japan was struck by a huge earthquake, tsunami and nuclear accident. Inspection using robots began this year at the Fukushima Daiichi power plant to find molten nuclear fuel. In Fukushima Prefecture, evacuation orders were lifted this spring in many areas where long-running decontamination work has been completed. But for various reasons, many people are unable to return. For others, there's no prospect in the near future of evacuation orders being lifted for their hometowns.

Bill Viola is renowned the world over as a pioneer of video art. As the Royal Academy in London mounts a major exhibition of his vast and immersive installations, alongside works by Michelangelo, imagine… charts Viola's career over 12 years and follows him as he creates his most high-profile commission to date, Mary and Martyrs, a permanent installation for St Paul's Cathedral. Gerry Fox's film follows Viola on set as he films, with stunt gear and pyrotechnics, his striking visual tableaux in fields, salt lakes and studios. Viola talks candidly about his preoccupations with life, death and suffering, alongside his wife and collaborator Kira Perov.

Were leaders in Britain and France so scarred by the carnage of World War I that they failed to stand up to Hitler as he began his march through Europe, thus providing the spark that would become World War II? Was Czechoslovakia abandoned by Britain and France, sacrificed in the face of Hitler's aggression? In The Road to War, acclaimed historians Richard Overy and Andrew Wheatcroft cogently piece together a globe fractured by war to show how conditions such as the lack of sophisticated intelligence-gathering techniques, limited communication, and events in the USSR and the Far East all conspired to forge a world of shifting alliances, and difficult decisions.

Incidents at medical institutions can sometimes put patients' lives at risk. The Nagoya University Hospital in central Japan has adopted a system to ensure medical safety. Everyone who works there, from medical professionals to administrative staff, can report incidents. There are 250 a week, and each is examined to determine the cause, with information disclosed to patients. This has led to improvements in procedures and equipment. The system is based on Kaizen, a core principle of Toyota Motor.

The world is watching on in shock as Putin's army invades Ukraine. Two countries with a shared history spanning centuries are fighting in the streets of Ukrainian cities. We explore both sides of this dangerous conflict.

On September 13th 1940, 80,000 Italian troops marched into Egypt to threaten the epicentre of the British Empire at a critical point in the Second World War.

On September 13th 1940, 80,000 Italian troops marched into Egypt to threaten the epicentre of the British Empire at a critical point in the Second World War.