joining me now, renzo piano and adam weinberg. this az remarkable -- this is a remarkable story. it is about a city. the driving passion of people to make sure that the whitney would live on and reflect our time in the future as well. it is a great honor to have them back at this table. welcome. it is complete after some dozen years of planning and building. how do you characterize this moment for you? adam: the whitney has been trying to expand for 30 years. we tried to expand next were building uptown. it was for directors ago. the collection when we first moved in with 2000 works. today it is 22,000 works. the idea of being able to see not just what we have, but to offer possibilities and aspirational spaces for artists to do things like we have never been able to do before. charlie: and you're going back

>> from our studios in new york, this is "charlie rose." charlie: the whitney museum of american art opened in 1930 one. its mandate was to focus exclusively on the art and artists of this country. it moved to madison avenue in 1966. the new building designed by renzo piano will open a few blocks from its original location. it is called a depth series achievement and the city's changing colter landscape. joining me now, renzo piano and adam weinberg. this az remarkable -- this is a remarkable story. it is about a city. the driving passion of people to make sure that the whitney would live on and reflect our time in