it's now my pleasure to introduce phil ginsberg.reation and parks has had a long history in san francisco and john maclaren played a critical role in this site for this fair and launched this ground and actually he won at golden gate park and phil can a test to that park's extreme beauty. please help me in welcoming phil ginsberg recreation and parks. >> good morning, everybody, on behalf of the recreation and parks i'm very happy to stand before you today to kickoff this wonderful celebration. we are proud and extremely humble stewards of this site. the mayor spoke of this celebration then and now and tomorrow. it's incredibly significant. parks are more than swing sets and playgrounds. as joyous as they are, they are part of our natural cultural heritage, the place that connects the then, now and tomorrow. when we think about what's before us and commemorating this celebration and this site is incredible then now and tomorrow story as itself as noted back in 1915 when the exposition took place. more than 11 800-0000 people from al