Ole Podorogeny walks through the dimly lit corridors of the morgue where he works, past sandbag windows, to a large white container in the backyard.
As soon as the heavy metal door of the container opens, the stench of death and decomposing corpses wafts through.
Inside this container, which resembles a prefabricated room, are stacked white bags containing the remains of civilian victims killed when Russian forces occupied the town of Izum in northeastern Ukraine. Many of them have been months since their death.
The body bags bore numbers, and as little information as possible, scribbled by hand in black pen.
Weeks after the liberation of Izium, 146 bodies found there are still awaiting identification.