Andargachew Tsege was a wanted man. He was a political activist and a long-time critic of the Ethiopian government. For his opposition work, he was tried in absentia and given the death sentence. But Andargachew and his fiancée Yemi Hailemariam weren't worried. They lived in the UK with their three children, far away from any political enemies in Ethiopia. But then, in June 2014, Andargachew was abducted at an airport, and Yemi would start a long hard struggle to find him, and bring him home.

Image: Yemi Hailemariam protesting for the release of her partner Andargachew Tsege

Credit: Stephen Chung /Alamy Live News

Rob Weston was abandoned in a cinema toilet in the UK in 1956. Decades later he was reunited with his brother Tommy Chalmers, thanks to the help of DNA detective Julia Bell. (Photo courtesy of Rob Weston.)

In the slums of the Kenyan capital Nairobi thousands of children live in extreme poverty. They often have no access to clean water, food or education. Until a few years ago, Brian Ochieng was one of them. But Brian found his way off the street, started a successful career as a chef, and then chose to head back to the streets again.

Image: Sushi master Brian Ochieng wearing his chef's hat

Credit: Courtesy of Brian Ochieng

Amani Yahya is a pioneer of Yemen's rap scene, and is one of the country's best known female rappers. She spoke to Emily Webb about how rapping brought her death threats. (Photo credit: Fredrik Gille.)

There is a game reserve in South Africa called Thula Thula. It was set up by Françoise Malby-Anthony and her husband, Lawrence. They adopted a herd of elephants that had been traumatised by poaching, and were being very destructive. Lawrence and Françoise formed an incredible bond with the elephants. When Lawrence died in 2012, Françoise noticed that the elephants started behaving in an unusual way…

(Photo credit: Thula Thula Game Reserve.)

Shon Hopwood is a professor at one of the most respected law schools in the US, Georgetown in Washington. He has the most fantastic track record in petitioning the US Supreme Court to get prisoners' sentences reduced. It would be the envy of any lawyer, but is all the more remarkable when you consider that Shon used to be a bank robber. (Photo courtesy of Shon Hopwood.)

In the 1970s, American helicopter pilot Jerry Foster changed the face of modern news reporting. He was often first on the scene at emergencies and daring rescue operations in the Arizona wilderness - sometimes even getting personally involved. Jerry was seen as a hero, but throughout his life, he struggled to live up to the image. There were secrets, scandals and accusations about his behaviour that threatened to ruin his career and life.

Presenter: Emily Webb

Image: Jerry Foster in his helicopter taking part in a rescue at Arizona's salt river

Credit: Courtesy of Jerry Foster

Like many ten year olds Siraj Khan was prone to bickering with his parents. One such argument left Siraj so annoyed that he decided to leave his home in a small village in the north east of Pakistan and travel 1000 miles to Karachi. But on the way he managed to board the wrong train. That moment changed his life forever.

Image: passengers on an Indian train

Credit: Subhendu Sarkar/Getty Images

After her daughter disappeared six years ago, Graciela Perez Rodriguez began to realise how many people in Mexico had lost loved ones but had been unable to find them or even their remains. She made up her mind to change things and now dedicates her life to searching for people who have gone missing by collecting DNA samples from their relatives in a bio bank.

Image: Graciela Perez Rodriguez after she received the Human Rights Tulip award in 2017

Credit: Aad Meije

Salim Gauwloos became famous dancing with Madonna on her iconic Blond Ambition tour. Madonna used the tour to promote freedom of sexuality and sexual health. All of this made a young Salim feel extremely uncomfortable. The reason he was so anxious was that he was harbouring a secret.

Image: Blond Ambition Tour 1990

Credit: Koh Hasebe/Shinko Music/Getty Images