How Russia's gradual gains in the face of fierce Ukrainian opposition have affected the front line in recent months.
On the war’s fourth anniversary, Russia occupies 20 percent of Ukraine’s territory, but the front line shifts slowly.
The online DeepState map, based on geolocated combat footage and tips from Ukrainian Army sources, draws 900,000 views each day and acts as a counterbalance to the military’s omissions. By Constant ...