Specifically, Herodotus mentioned that bitumen was brought to Babylon to build its gigantic fortification wall.
spəsˈɪfɪkli, hɪɹˈɑːdəɾəs mˈɛnʃənd ðæt bɪtˈuːmɛn wʌz bɹˈɔːt tə bˈæbɪlən tə bˈɪld ɪts dʒaɪɡˈæntɪk fˌɔːɹɾɪfɪkˈeɪʃən wˈɔːl.