A Bosnian coal miner checks equipment in an underground tunnel at a mine in Zenica, Bosnia, Thursday, April 29, 2021. During Ramadan, observant Muslims abstain from eating, drinking and smoking from dawn until sunset and Zenica coal miners are no exception. For the entire duration of the Muslim holy month, they go about their normal work routine, insisting they feel no exceptional hunger, thirst or exhaustion.(AP Photo/Kemal Softic)