Kopi Luwak civets choose which cherries to eat – i.e. those that are most ripe and flawless. Digestive mechanisms may improve the flavor profile of the coffee beans that have been eaten. The civet eats the cherries for the fleshy pulp, then in the digestive tract, fermentation occurs. The civet's protease enzymes seep into the beans, making shorter peptides and more free amino acids. Early production began when beans were gathered in the wild from where a civet would defecate as a means to mark its territory. On farms, civets are either caged or allowed to roam within defined boundaries. Coffee berries
Ugolnye Kopi facilities for those working in or administering the nearby mines, hence the name, and later to provide the same services to those working in the air industry at the local airport. Within the framework of administrative divisions, Ugolnye Kopi is directly subordinated to Anadyrsky District. As a municipal division, the urban-type settlement of Ugolnye Kopi is incorporated within Anadyrsky Municipal District as Ugolnye Kopi Urban Settlement. Ugolnye Kopi is located on the road between the Ugolny Airport and Shakhtyorsky. Unlike a large number of localities in the region, Ugolnye Kopi's demographics is mainly Caucasian. The Red Cross reports that only