Maiwand Banayee still vividly remembers the moment he entered a Pakistani refugee camp as a traumatised 14-year-old. The air was thick with the call to prayer echoing from some 40 mosques, blasting so loudly that the teenager's ears "nearly burst". He felt he'd stepped through a portal into "seventh-century Saudi Arabia". Alongside his family, Maiwand, then 14, had fled Afghanistan as the violent wars ravaged his homeland. They had hoped the camp would offer them the sanctuary they had lost,