But it's the vivacious Moors and Christians fiesta, with its bare-bellied, flashing-eyed slave-girls and swashbuckling corsairs, that really makes the town unique.
Most of the slave girls had originated from Africa. 
mnli hypothesis: Most of the slave girls had originated from Africa.  premise: But it's the vivacious Moors and Christians fiesta, with its bare-bellied, flashing-eyed slave-girls and swashbuckling corsairs, that really makes the town unique.