The Canadian province of Alberta has most of the world's reserves of natural bitumen in the Athabasca oil sands, which cover , an area larger than England.
ðə kɐnˈeɪdiən pɹˈɑːvɪns ʌv ælbˈɜːɾə hɐz mˈoʊst əv ðə wˈɜːldz ɹɪzˈɜːvz ʌv nˈætʃɚɹəl bɪtˈuːmɛn ɪnðɪ ˈæθɐbˌæskə ˈɔɪl sˈændz, wˌɪtʃ kˈʌvɚ , ɐn ˈɛɹiə lˈɑːɹdʒɚ ðɐn ˈɪŋɡlənd.