are dying are dying facing uncertain future systematically cut down or encroached upon by other species BBC News are dying are dying Frankincense trees are dying out (BBC) Frankincense tree facing uncertain future www.bbc.co.uk/news/science-environment-16270759 facing uncertain future BBC News – Frankincense tree facing uncertain future Frankincense tree facing uncertain future www.bbc.co.uk/news/science-environment-16270759 www.bbc.co.uk/news/science-environment-16270759 http://www.bbc.co.uk/news/science-environment-16270759 these trees are increasingly endangered Frankincense tree facing uncertain future are dying are dying Frankincense trees are dying out (BBC) www.bbc.co.uk/news/science-environment-16270759 www.bbc.co.uk/news/science-environment-16270759 Frankincense are dying www.bbc.co.uk/news/science-environment-16270759 Frankincense tree facing uncertain future