chaga mushroom. background of small broken pieces of birch fungus chaga. chaga; mushroom; fungus; pieces; slices; anti; backdrop; background; birch; brewing; broken; brown; cancer; chopped; coffee; color; concept; copy space; day; detox; dried; drink; extract; fine powder; healing; health; healthy; heap; herbal; ingredient; inonotus; medicinal; medicine; natural; nature; no people; nobody; obliquus; pile; products; properties; sliced; tea; texture; textured; time; top view; tree; tumor; woody