dima and my colleague darren conway call us towards the trench. come here, liuba. here. let's get to that trench. quick. stuart, - there's a bunker here. this way. come on, run, run. run. straight to me. come on, this way. down. down, down, down, down. down. get in, get down. that was two russian shells that have just come in. i think it's tank fire landing very close to these positions. it gives you an idea of how exposed it is here. there's absolutely no tree cover. the safest place for these men is in the trenches. they've already taken a couple of casualties here in the last week. he breathes heavily you all right? yeah. keep down. - there's no time to pause for breath. dima leads the way to better cover. these few logs offer some protection, but it's already packed tight in here. explosion that was even closer. they grab every inch of shelter they can. explosion and when the next distant boom might end in a direct hit, it's hard not to flinch. what is dima fighting for, we ask. those phone calls let his mother know her son has survived another day. but does dima thi