. >> rose: we conclude with an important artist, james turrell. his show is currently on display at the guggenheim museum. >> ideas and thoughts are cheap. you have many of them but it's actually pulling it off, actually making these things, realizing them. and as an artist you have to manifest and i don't get to count the things that i haven't done but that i thought of that was terrific. >> rose: the venice biennale and james turrell when we continue. captioning sponsored by rose communications from our studios in new york city, this is charlie rose. >> rose: the venice biennale is a major contemporary art exhibition held every two years in veps any, italy. more than 158 artists from over 88 countries are participating this year. for the first time, the vatican has sponsored its own pavilion, kelly kroll of the "wall street journal" wrote "the venice biennale has become the olympics of the contemporary art world. instead of medals, artists compete for fame on the global art field." joining me now is massimiliano gioni, he is the director of the

. >> rose: we conclude with an important artist, james turrell.show is currently on display at the guggenheim museum. >> ideas and thoughts are cheap.