Three meters underground, a network of tunnels and trenches fortified with timber provides a safer spot for frontline fighters to rest and recuperate – and a deeper position to defend against a potential Russian advance into Zaporizhzhia in southeastern Ukraine. Down here in the dirt, it feels far from the capital Kyiv, and light years away from the United States – where a dramatic flurry of diplomatic activity in the past week means little to those on the battlefield. Read more: https://cnn.it/