Bosnian coal miners work in an underground tunnel at a mine in Zenica, Bosnia, Thursday, April 29, 2021. Arriving for their shift and assembling for a roll call before riding an elevator into the mine tunnels, they carry with them transparent plastic bags containing simple meals brought from home with which they will break their daily fast 500 meters (1,640 feet) below the surface.(AP Photo/Kemal Softic)