the camera obscura and one of the last remaining buildings that was play land of the beach and right below the cliff house and opening in the roof that you can see there and it rotates and lens and a mirror in the opening and project what is it sees outside into a parbollic shape platform inside the building and you can see the world outside. why do i have to pay three dollars and i can go outside and look at it? it's a truly remarkable experience. first of all the preriffal stimuli is gone and what is amazing in our area it's entire leeann loentirely analogt digital and it's wonderful and you have to check it out. this is what used to be along the beach, play land on the beach and the camera camera obscura wt of and replaced with much needed housing and this is one of the wind mills and we will get to those. this is a petting zoo, barn, nothing special and has a coupe laand there are barns all over san francisco. this little barn is in somebody's backyard, 25th street. >> there is a barn and farm house on the corner of noi and 25th and off the top of the beam out rigger and hall the