grusheski: philadelphia was the first american city to develop a water system and to take on as a municipal responsibility water delivery to all of its citizens. when william penn laid out the city, he actually chose a spot of land that had a lot of groundwater. however, by 1730, 30,000 people lived within the first seven blocks of philadelphia, next to the delaware river. well, 30,000 people caused filth in the city and polluted their water sources. the groundwater was not potable. and in one year, 1/6 of the population died of yellow fever. now, they didn't know at the time that yellow fever was carried by mosquitoes. but the health issue was major in that first movement to build a water system. narrator: so they set out to find the cleanest source of water. although the majority of philadelphia's water now comes from the delaware river, early engineers found that development along the waterfront was causing pollution. so their search led them to the nearby schuylkill river. philadelphia developed technologies to pump water from the river into the city. these technologies established engi

. >> we'll also have an appearance by san francisco's new mayor, ed lee, the first asian-american mayor in an american city. a lot of the streets in the area are shut down as the action is beginning to begin. everyone out here celebrating chinese tradition and culture. this is the year of the hare, r it's raping and it's so chilly -- raining and it's so chilly. fans are gathering around the bleachers. just a testament to how much they love this parade. it's more than 150 years old. we'll bring it to you at

city and county of san francisco, for the community. portsmouth square is where the great as the san francisco against. the first american flag was posted in portsmouth square. the first city hall was near as portsmouth's square. the first cable car squint through the area. on -- went through the area. ironically, when they moved out of the area, the chinese started to move in. the chinese want to redevelop it. in the 50's, as was talked about, that community got together and said that we will help this community come together and provide our own funding. over that time, the portsmouth square grosz has been is support not only to chinatown but for local businesses, community groups, and a great supporter of the city with revenues going to the city over decades. i'm struck by the fact of the people of asian heritage on this panel. the pride is not just that patients are receiving the kind of representation that we have sought for so long, this is the fact that the asian community is able to contribute to the city just as this lease is contributing. >> thank you. are there any other matters -- members of the public that wi

city . here we are celebrating the first chinese-american mayor in our great city. it is a remarkable thing and a very proud dana. -- thing. i spoke a little bit about this yesterday, but it is important set this reminds everybody this is the birthplace of the united nations. this is a city of remarkable diversity. we do not just tolerated. we celebrate it. that is a spirit of what makes sense and cisco a special place in the hearts and minds of people -- that makes san francisco a special place in the hearts and minds of people. mayor lee, here is my advice. you have a year, figure out what you want to accomplish. you were put in this position by the people to my right, but the people of san francisco are the people counting on you. [applause] do what you think is right, and remember that as important and impressive as this did not -- as this is, there are hundreds of thousands of people who require your attention and leadership. always remember the people outside are the people we also need to represent. remember that just because you disagree with the other side

part in an historic, unanimous vote for the first time in our city's history to have an elected leader at the top of galt mountain, our first chinese- americanayor, edwin lee. [applause] as i look out onto the audience and i see who we all represent, i see our chinese a brother and sisters, our japanese and korean on and on calls, our cousins from the filipino community, the vietnamese community, the cambodian community, thai community, burmese community. i want to thank you all for making up the diaspora of our diverse community. and i want to thank those of you who are not asian on the outside but our asian on the inside. [applause] thank you for being part of the richness of who we are common here in san francisco. and i want to thank all of you who are the community leaders of this wonderful city that was founded as col down. we know we have had struggles over the decades and have accomplished many things. but i want to take a moment to say a quick thanks to those of you who are working to make sure that our asian american brothers and sisters, and grandparents who are still living in sro's, i want to thank you for the work you are doing

part in an historic, unanimous vote for the first time in our city's history to have an elected leader at the top of galt mountain, our first chinese- american mayor, edwin lee. [applause] as i look out onto the audience and i see who we all represent, i see our chinese a brother and sisters, our japanese and korean on and on calls, our cousins from the filipino community, the vi

here in the city of san francisco that these challenges wrb certainly ones we are confronted by every day but amazing things are happening here. we have just now selected our first chinese-american of san francisco. [applause] on the board of supervisors, 11 of us, eight of us, eight members of the board of supervisors are people of color. this is true representation. but what has laid the foundation of the great muscle that has made san francisco well known in its reputation as being forward thinking also obligates us to answering the other questions some of the chals that i remarked on especially as it concerns the african-american population in after. i'm not so sure that the numbers really have dropped to 3.%. that's a quick drop from 6.2 two years ago. but whatever the case is, that decline in population is a healthy reminder that even the most forward-thinking cities have incredible work to do. thank you, everybody, and happy black history month. >> thank you, supervisors cohen and mirkarimi. just want to announce also that thanks to the efforts of lamont bishop and others, we do have for the kinseys proclamations or certificates of recognition for shirley and bernard kins