25% of land in Gauteng prone to sinkholes due to dolomite rocks

Sanral Northern region manager Progress Hlahla explains why there are sinkholes are Gauteng.

Related Keywords

Gauteng ,South Africa ,Syria ,Pretoria ,Northern Region ,Ray White ,Rob Beezy Traffic , ,Sanral Northern ,Progress Hlahla ,South African National Roads Agency ,Botha Avenue ,Rob Beezy ,