and look at this, the hands of the clock. look how big they are. the holy mackerel. nobody is up here. but this. it the great seal of the state of california. this is a wonderful mosaic. >> it is wonderful. it was original to the building. tens of thousands of people cross by every day. this is the waiting area. the larger alcoves or for storage. and the big plants that would go out to meet the ferries. people would come out to meet the ferries. and then go to the trolley cars. the family of the original artisan still lives in the bay area and they come by every so often to make sure that it is in tact and being taken care of.

furry little repair to it. this is the before and after, 1910 to 1960's, 1970's. this is what the building looked like during that time. it was under plywood and carpeting for about 30 years. this was amazingly preserved underneath all of that when it pulled up. >> how to the ventilate this? are these operable? h[ph>> they are not. we have a cool air intake from the bay. because of the atrium, it would be nearly impossible for any air conditioning, so we have cool air intake on the bayside. that cools the building down. when i first artwork in here, i was fascinated with all the arches, the repetitive arches. the original architect used it as a symbol of the talks in rome, a symbol of how important

the water and the waterways are to us city. -- to the city. it looks like an aqueduct structure. >> what are the uses of this floor and above? >> we have about 10 it office spaces, private businesses, law firm, financial management, lobbying firms. there are all local businesses. -- they are all local businesses, very supportive of the marketplace. >> i know that some part of this building, the water goes underneath, the bay water is under there? >> yes. >> is it under the whole building? >> there is a sea wall, probably right under where you are standing. a lot of it is on the pilings. >> i have seen a guy on a little

boat that goes under there and make repairs. >> and also, the coast guard comes, anytime there are logs floating in the water, we have to call the coast guard. acting get hung up underneath the pipes. >> i want to thank you all for coming. thank you so much for your great information. i hope to see you all again next month for our next program. thank you very much.