lˈiːt dɪskˈʌvɚz sˈɛvɹəl suːmˈɪɹiən kˈʌneɪfˌɔːɹm tˈæbləts ænd ɐ kɹˈoʊm sˈɪlɪndɚɹ ɪn ˌɑːɹkiːəlˈɑːdʒɪkəl stɹˈɑːɾə dˈeɪɾᵻd tə ðə fˈoːɹθ mɪlˈɛniəm bˌiːsˌiːˈiː.
Leight discovers several Sumerian cuneiform tablets and a chrome cylinder in archaeological strata dated to the 4th millennium BCE.