The 25km operation to construct the barrier is being implemented in three phases:an 8km barrier from gate 6 moving west towards Tembe Elephant Park;another 8km from the boundary of iSimangaliso Wetland Park moving to the west; andthe last phase will be 9km stretch extending from the western boundary of Tembe Elephant Park towards the Phongolo River.Duma added the project had to include environmental conditions to lessen the harm to nature and species in the area, which contains a lot of wetlands. More than 7.4km of concrete barriers have been erected to date, as part of the 8km…