What kind of rock was used to build vajdahunyad castle in budapest?

Originally it was made from cardboard and wood but now its stone and brick

The  franco-prussian  war, a  war  that was  led by prussia a coalition of  german  states, defeated  france. the  war  was the end  of  french  hegemony in europe and resulted in a unified  germany.  i hope this !

Answer they are produced by collision of tectonic plates;