Ukraine is littered with landmines on a scale last seen in Vietnam. How can they be removed?

Faced with deadlier threats, demining groups are coming up with new ways of working using drones and AI

Crouched over on her hands and knees in a field of weeds, Olena Kabanova is digging into the ground. With a shovel and a steady hand, the 58-year-old digs out a neat square around the spot where a mine detector has sensed a suspicious object.

Four years ago, this field in eastern Ukraine was occupied by Russian soldiers. Now back under Ukrainian control, it is littered with landmines. Civilians such as Kabanova are trying to make the land usable again.