Salva Dut is one of Sudan's so-called 'Lost Boys.' Separated from his family at the age of 11 when the civil war reached his village in 1985, Salva walked for weeks to reach safety in a refugee camp in Ethiopia. There, he lived out most of his teenage years, amongst thousands of other orphans. Like most of them, Salva had no idea what had happened to his family. With little adult supervision, the boys developed their own systems of organisation. That was to prove vital when in 1991 they were driven from the camp by a new conflict. Salva was 17 by this point, and he'd become a leader amongst the boys. In total there were 17,000 of them. They set off in groups, first back towards Sudan, then south, towards Kenya. When they emerged from the wilderness after many months, aid workers were astonished to find them still alive. They shared their story with the world. The United Nations recommended almost 4,000 of the Lost Boys for resettlement in the US, and Salva's name was among them. By this point, in his early 20s, Salva had been separated from his family for a decade. A reunion seemed impossible. He would be boarding a flight and leaving the continent of his birth behind.

The second part of Salva's story will be broadcast on the next edition of Lives Less Ordinary

Presenter: Mobeen Azhar Producer: Jo Impey

Get in touch: liveslessordinary@bbc.co.uk or WhatsApp: 0044 330 678 2784