This, apparently, is a festival for people who have had near-death experiences. (I think not of the CDG type.) But you can get carried around in a coffin.
http://amazingworldwide.blogspot.com/2011/05/strange-happenings-fiesta-de-santa.html
http://amazingworldwide.blogspot.com/2011/05/strange-happenings-fiesta-de-santa.html