Ключевые слова: biggest, cone, deposit, diamond, diamonds, digging, ecology, geology, ground, industry, jewellery, kimberlite, kimberlitovaya, land, landscape, large, mine, mir, mirny, north, old, outdoor, peace, pipe, quarry, russia, russian, siberia, spiral, spring, the largest field, tube, unique, valuable, world, yakut, yakutia, yakutsk,