Let us journey to Piedras Negras, Cahuila... to visit a certain Dentist and his mom...
Here is the Facebook post that Oye Piedras Negras posted.
https://m.facebook.com/story.php?story_fbid=pfbid02ERKyitRBvPJhtmVuec8XnvgCdjqaEyNGL2kvuFcFHf2CwGAUuDQaVKniQkxEFAtJl&id=169658463986633&mibextid=Nif5oz