Thirty years before the most recent conflict, Nagorno-Karabakh was mired in another war. It left a deadly legacy.
Azerbaijan estimates 14,000 square kilometres (5,405 square miles) in and around the region are contaminated with mines and unexploded munitions.
They pose a serious danger to civilians – and to the crews tasked with clearing the sites.
Al Jazeera’s Osama Bin Javaid reports from Tartar.