the -- actually pre first world war and they're amazing and held by pacific ariel survey off,,hagen burger road by the airport. what they did in the early era is they had a large format cameras that they went with the originals over the city and did long exposure photos with very high resolution lenses so when you want to find something in the archives, they'll give you aqua drant go to and a loop and you can't see much resolution but they will blow it up for you and the resolution will be so high you will be able to determine the make of many of the autos you see on the street. in the teens and 20s. >> so let's go back to learning history of your building to find out when was your buildingibility and who built it. what do you think moses? >> for the newer buildings i believe their data base comes from building permit records. >> how do people access that. >> sfgov dot org. you're going to tell he is a historicle person. for newer buildings after the 06 earthquake. you mean the 89? >> one of the greatest faults with the assessors data base is they make up date for builds that pre existing

burger. certificate serendipity, hagen daz. >>> another really cool thing you are not only supporting local businessy to partner with three amazing nonprofits, leadership washington georgetown ministries, safe shores $5 of every badge sold goes to one of those charities. >> that is great wonderful. >> so i am handing you a sweet delight. >> we will start it healthy first. >> that's right. >> we will do frozen yoghurt. >> by the time this morning is over i will be whipping around this place on a sugar high. check out myfoxdc.com for all the details how the get your hands on this tasty treat. cheers. back to you. >> looks fantastic thanks annie. >> in our next hour the story about a decade in the making a local former cop serves 8 years behind bars for police brutality. this morning she speaks for the first time since her release a fox 5 exclusive in minutes. >> also ahead at 8, if you are looking to slim down, skipping dessert probably a big -- opposite. >> yeah. >> new research shows that is not always the case foxes medical team tells us why you should thing about eating dessert and eating it for b