https://38jiejie.com/2021/01/18/alleged-recording-suspected-to-be-of-zheng-shuang-and-her-parents-suggesting-to-abandon-give-up-babies-for-adoption-with-zhang-hengs-father/
Alleged Recording Suspected to be of Zheng Shuang and Her Parents Suggesting to "Abandon, Give Up Babies for Adoption" with Zhang Heng's Father