The area escaped the bombing of Osaka during WW2, and continued to thrive until the Prostitution Prevention Law came into effect on 1 April 1958.
ðɪ ˈɛɹiə ɛskˈeɪpt ðə bˈɑːmɪŋ ʌv ɑːsˈɑːkə dˈʊɹɹɪŋ dˌʌbəljˌuːdˈʌbəljˌuː tˈuː, ænd kəntˈɪnjuːd tə θɹˈaɪv ʌntˈɪl ðə pɹˌɑːstɪtˈuːʃən pɹɪvˈɛnʃən lˈɔː kˈeɪm ˌɪntʊ ɪfˈɛkt ˌɔn wˈʌn ˈeɪpɹəl nˈaɪntiːnhˈʌndɹɪd fˈɪfti ˈeɪt.