The resurgent Taliban have taken more territory in Afghanistan in the last two months than at any time since they were ousted from power in 2001.
Over the last 20 years, the control map of Afghanistan has been an ever-changing canvas.
It appears the Taliban have been emboldened in recent weeks by the withdrawal of US troops – retaking many districts from government forces.
Research from the BBC Afghan service shows the militants now have a strong presence across the country, including in the north and north-east and central provinces like Ghazni and Maidan Wardak.
They are also closing in on major cities such as Kunduz, Herat, Kandahar, and Lashkar Gah.
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