Ключевые слова: adder, animal, asp, aspis, bite, closeup, cold, common, creuse, crossed, danger, dangerous, detail, european, eye, fangs, fear, fearsome, forked, herpetology, high altitude, macro, mountain, nature, pain, poison, portrait, pupils, reptile, serpentes, snake, toxic, toxicity, venom, vicious, viper, wild, wildlife, zoology,