City dwellers can spot the young maids fresh from Chadian villages from afar - by their ragged dusty clothes and unsophisticated hair, and the way they shy away from cars speeding up and down the streets. Teenagers from far-off rural villages are flocking increasingly to the capital N'djamena nowadays to become domestic workers, one of the most elusive forms of child labour. "They're aged between 8 and 15, and earn very little," Felicien Ntakiyimana, who works on child protection for the UN Children's Fund (UNICEF) in Chad, told IRIN.