How drones are hunting fires hidden beneath the Cairngorms

"Some of that will be incredibly quick, some of it will take years, decades, or even beyond our lifetime," she says.

"It will recover, but we just don't know what that's going to look like yet."

And the drones that helped during the fire - and are still searching for what remains of it - are being given another job.

Pete is programming them to repeatedly fly exactly the same routes over the damaged landscape.

Using predetermined waypoints, photographs and video can be taken from the same positions month after month and year after year, allowing conservationists to build up a picture of how the landscape changes.