Help reverting deleted content on prezi

I am a student and we lost all of our content. We need help reverting our presentaion to the time 8:30 am pst, April 9th 2019

https://prezi.com/3gd_e_dxmrth/?token=ff6e87c25c588c825441bede7997f61b7176a074eac30e15e6919028869e87b1&utm_campaign=share&utm_medium=copy