opening night of celebrations but that didn't put a damper on people's spirits lighting designer christophe dillon has been working for one years straight to put this project together. at the moment is the first this is all about showing how the cathedral has always been exposed to danger in the course of its twelve hundred years in others and how the people of arkan have always saved it. on the in the context of this festival week that it's all a bit artistically interpreted into the theater. fourteen projectors and what's called pixel mapping create the three d. lighting effect. decide and by doing this is a three dimensional image with you for those items here we see the front of the building which was scanned with a laser scanner which i did up with this and that means we have a real three d. data and we know from every point what distance it is from here. because of this and with this information we can go content with other special software that is adapted to the building you can notice what under. the cathedral enough in is a structure that represents hundreds of years of history the palati