sentences:  It has been estimated that only 4.4 million Afro-Colombians actively recognize their own black ancestry, while many other African Colombians do not, as a result of inter-racial relations with white and indigenous Colombians.Afro-Colombians may often encounter a noticeable degree of racial discrimination and prejudice, possibly as a socio-cultural left over from colonial times.They have been historically absent from high level government positions.