Tajik migrant work 'takes toll on fatherless children'
Nearly half of Tajikistan's GDP comes from the earnings of Tajik migrant workers, many of whom travel to take up employment in Kazakhstan and Russia and send money back home.
Their families are provided for, but a recent report by Unicef highlighted psychological consequences for children growing up with fathers who are largely absent.
Boys tend to become more aggressive, while girls become depressed, it found, with knock-on effects on their schoolwork.
Video produced by BBC Persian's Sohrab Zia.