Royale studio reach RMA to work on crumbling figures and shapes,dissolving pieces, breaking away into thousands (probably more like millions) grains of sand all custom simulated for the scenes.
It gives the entire campaign a dreamy sense of surrealism as nothing you see is completely solid.  items from reality are taken into the Land of the Dreaming, things are left in ruin — unintentionally, 
of course — as a result of Morpheous’ journey.