"Our people are fighting on two fronts" states Sergiy Faraonov, head of production at a coal mine operated by DTEK, Ukraine's largest private energy company. "The first front is directly on the frontline. And the second front is the energy front," he explains, standing 470 meters underground in a mine located in eastern Ukraine. Coal has become a precious commodity in Ukraine after Russia invaded in 2022, devastating the country's energy infrastructure and depriving millions of people of power and heating. IMAGES AND SOUNDBITES ARRANGED IN SEQUENCES