Russia and Ukraine have been locked in an intractable-seeming conflict that has thrown not only the two nations into a state of prolonged chaos but huge swaths of Eastern Europe as well. While ostensibly a war over territorial expansion and ethnic sovereignty,

Moscow again struck Ukraine’s energy infrastructure, part of an effort to wear down the country. “In the trenches, there are no holidays,” one man said.

Russia launched an intensive missile and drone barrage targeting Ukraine's energy infrastructure on Wednesday, striking a thermal power plant and prompting Ukrainians to take shelter in metro stations on Christmas morning.