(also known as Ctesiphon Arch) in Iraq is the largest mud brick arch in the world, built beginning in 540 AD
ˈɔːlsoʊ nˈoʊn æz sˈiːtˈɛsɪfən ˈɑːɹtʃ ɪn ɪɹˈæk ɪz ðə lˈɑːɹdʒɪst mˈʌd bɹˈɪk ˈɑːɹtʃ ɪnðə wˈɜːld, bˈɪlt bɪɡˈɪnɪŋ ɪn fˈaɪvhˈʌndɹɪd fˈoːɹɾi ˌeɪdˈiː