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

. >> christina, we have a new accident going on, at hagen burger. it doesn't sound like there are serious injuries but as the volume is increasing so we're focusing on this heading north as you approach the coliseum. you can see the map, no major slowing through the area. the approaches looking nice as well. 18 to 19 minutes off of the carquinez bridge. we'll look at the chopper for the south bay. we just got the chopper on taxpayer scene. this is in san jose just off of the freeway. this is the activity going on. we'll show you where this is. as you see this is all a good portion off highway 101. but it's a concern because folks familiar with the intersection may be going to catwaller school. we may have reroutes because of that activity. crews on the scene so we'll track this. you might have to reroute or we'll try to avoid that if you can. coming up the peninsula, bayshore, no problem. 280 also smooth so both of these freeways between the south bay and the city, a nice easy drive, no problems for the traffic. we'll end with a live shot at the bay

the general aviation field at doolitle drive from the mets or the hamburg hagen burger or the metz freewaye hagenbers alting routes possible. >>darya: we will be right back after this, of van ness ave shot a beautiful morning. it has been just nice, overall. we could use some rain/snowfall we are tracking it. we'll be right back. ♪ [ male announcer ] for our town. [ dog barks ] for our country. ♪ for our future. ♪ this isn't just the car we wanted to build. it's the car america had to build. ♪ the extended range electric chevy volt. from the heart of detroit to the health of the country, chevy runs deep. time out. sweet. [ female announcer ] with charmin ultra soft, you can get that cushiony feeling you love while still using less. charmin ultra soft is designed with extra cushions that are soft and more absorbent and you can use four times less versus the leading value brand. ♪ ah. [ female announcer ] we all go. why not enjoy the go with charmin ultra soft. >>mark: and the sonoma county, there were two different earthquakes that were above 3.0 near the geysers. >>darya: and other news, t