Caitlin Alifirenka of Pennsylvania and Martin Ganda of Zimbabwe became best friends – and better people – through their exchange.
Nearly a year after the earthquake and tsunami devastated Japan, foreign journalists have been allowed into the crippled Fukushima nuclear plant.
Deep inside the exclusion zone, some 3,000 people are working around the clock to make the plant safe again. The BBC’s Roland Buerk donned the necessary protective clothing and went inside.
Peter O’Dowd follows the route of Abraham Lincoln's funeral train 150 years ago, to look at modern-day race relations and Lincoln's legacy.