From the official Twitter page of the Shroud Exposition 2015 maintained by sindone.org of the Diocese of Turin:

imageYou have memories of the previous expositions of # Shroud ? We will post photos and more meaningful stories, write to ricordi@sindone.org

(translation by Google)

 

In other words, if you have been to Turin and seen the shroud, ricordi@sindone.org wants to hear from you. Send photos.