monsignor christopher nulty broke it all down for as. are here in part as member and you bless the crew before it rolls on mardi gras morning very telus. >> these are all floats, if you've ever been to mardi gras, or if you've ever bent onto floats, you know it can be a little precarious there. is standing up on something moving. on all the members and all the people of this is a. we have a safe happy joyful celebration at mardi gras. get the timing of mardi gras is directly influenced by certain parts of the bible. >> one, it is the celebration o holy week, the last supper, the passion, crucifixion overlord, and easter sunday. they modeled it after when jesu went 40 days and 40 nights fasting in the desert in preparation for his mentorship. that 40 day starts on ash wednesday. so what is fat tuesday? >> before all the period of sacrifice, you leave it all behind. the tuesday night of mardi gras of course people think it's the end up at. and its beginning. now it's a time of fasting. >> when people think of mardi gras, they are not seemi