THE COVID-19 pandemic has exposed how severely artificial lines on a map can impact communities.

From August 21, the South Australia-Victoria border will become a towering rampart, dividing communities and creating chaos and despair for Victorians and South Australians alike.

To communities such as Murrayville and Pinnaroo, Kaniva and Bordertown, and Edenhope and Naracoorte, the synthetic line b...