. >> on the sidewalls we have paired photographs attributed to map of the harrison brown company. each panel features one of these maps that locates where these photographs were taken. these date from 1880. they are blocked by block -- block by block. what you can see is what the building materials are made of. yellow indicates wooden structure. pink is brick. green is some sort of fire insurance hazard whether it be because of what goes on in the building or building materials. you can see where the police station is. it is in the lower right quadrant here. was illustrates what riis railing against. no light or air circulation and these structures. if you can imagine that there is a window on the street side, then you see that there are buildings back to back. there is no light hitting in. -- getting an. >in. >> regulations to require that would this be cut through. there were some 40,000 windows that were cut through. inside rooms. 13 byas a 13 next 13 -- 13 room with no ventilation for light. these are taken by the thomas edison company. is working inriis new york. primarily da

brett brown, he does like harrison barnes of the golden state warriors.we'll see if he's an option coming up. kevin durant, don't hold your breath. but the sixers and nba teams can start talking to free agents tonight at midnight. they need a point guard. the sixers are still talking about trading noel and okafor. the raptors are interested in noel. sixers coach brett brown admits being on the trade block has to be hard. >> it would be difficult at times to wonder where's my next home? but as i said from the start, i'll coach them until somebody tells me that they're not my player. >>> 56 hits, 28 runs over the last four games. hopefully, the phillies can keep it going tomorrow when they take a swing at the champion kansas city royals. >>> sad story about matt imhof. the former second-round pick lost his right eye after a freak accident. the clearwater pitcher was training with a resistance band attached to a wall when a piece of metal holding it in place broke off crushing his eye. imhof's career is now in yeper dip -- jeopardy. shayne gostisbehere says

sixers coach brett brown told "action news" they would be throwing punches with the big boys and winning over some big free agents but as much as he loves restricted free agent harrison dallas plan to give him four years, 95 million, unless golden state matches the offer. sixers are also interested in four time all-star point guard raja rondo according to espn. rondo has been in the nba for a decade. he spent last season in sacramento after starting in boston. brown tells six abc if they can get one big free agent to add to those young stars the the sixers will be a big time attraction. >> you need a springboard reason for somebody to say, wow, you know, not only do they have these young guys, you know, you signed x, and it is a ripple effect. the players want to play with players. they want to win. and they want to play with talent. i think that our story of how we're going to tell it, grow it, say it, and show it over the next few years is really exciting. >> the celtics are not only making a push to land free agent kevin durant by having patriots quarterback tom brady in on the discussion but boston land alhorford, the former atlanta big man for 113 million-dollar

brown has been living in this rv for years. the den of traffic is overwhelming. it sits under the 101 highway on 13 between harrison bryant. has harrison and bryant. -- harrison and bryant. she doesn't want to live here, but it's the closest thing to a home and she cannot get into a shelter.>> we are on a waiting list of one-three years. >> reporter: many homeless people tells us that an rv had parked here for years. now everyone has turned up under the central freeway.>> we don't think this is a solution that solves it with a silver bullet. >> reporter: meters and parking restrictions have simply been a band-aid. it causes the rvs to move from one location to another. >> at this point, it is up to city laws that say you can only park a vehicle that size in specific locations. >> reporter: camping in your car has been illegal since 1971, but police rarely enforce the law. >> as long as they had gas and we move it and take care of insurance, we don't get bothered. >> reporter: along the highway or golden gate park, but there are no restrictions here except street sweeping. >> we pay $1000 in parking tickets, easy. >> report

sidewalls, we have paired photographs attributed to riis with a fire insurance maps from the harrison brown company. each panel features one of these maps that locates where the photograph was probably taken. these date from 1880. they are block by block. what you can see is what the building materials are made of. >> the exhibition can be viewed online at the library of congress website, loc.gov. >> our coverage continues in cleaver it -- in cleveland with continuingge tuesday, july 12, at :00 a.m. eastern. submitting it to delegate. live on c-span, the c-span radio, and he stand.org. >> up next, a panel of historians and scholars hold a panel discussing who is black in america. it is part of a three-day conference calling the future of the african-american pass. it was cohosted by the national smithsonian national museum of african american history and culture and the american historical association. [applause] prof. berlin: thank you very much feared i would like to affirm that i am ira berlin, and this is a discussion over who is black, with the expectation that anybody of african desce