The rediscovery of the Nepōhualtzintzin was due to the Mexican engineer David Esparza Hidalgo, who in his travels throughout Mexico found diverse engravings and paintings of this instrument and reconstructed several of them in gold, jade, encrustations of shell, etc.
ðə ɹˌiːdɪskˈʌvɚɹi ʌvðə nˈɛpoʊhjˌuːɐltsˌɪntsɪn wʌz dˈuː tə ðə mˈɛksɪkən ˌɛndʒɪnˈɪɹ dˈeɪvɪd ɛspˈɑːɹzə hɪdˈælɡoʊ, hˌuː ɪn hɪz tɹˈævəlz θɹuːˈaʊt mˈɛksɪkˌoʊ fˈaʊnd daɪvˈɜːs ɛŋɡɹˈeɪvɪŋz ænd pˈeɪntɪŋz ʌv ðɪs ˈɪnstɹəmənt ænd ɹˌiːkənstɹˈʌktᵻd sˈɛvɹəl ʌv ðˌɛm ɪn ɡˈoʊld, dʒˈeɪd, ɛŋkɹəstˈeɪʃənz ʌv ʃˈɛl, ɛtsˈɛtɹə.