also, my profound thanks to jorge arias and the whole team from bossman construction, and to the amazing andy cochran for such an inspired design. but our most important guest tonight, and she's so modest, and doesn't like taking credit, and she's sitting in the back. she's my hero, and my dear, dear, dear friend, jackie. this is for you; and now is the time for us to actually flip the switch. so why don't you and our three friends lead us in a count down. >> right on. >> all right. we're going to count down from ten. all right. here we go. ready, everybody! ten. nine. eight. seven, six. five. four. three. two. one. if everybody can turnaround and look in the square right here, and there's a tv camera. all right. the helen diller playground contains some of the most innohave ati innovative and interactive lighting programs on any playgrounds. we've designed each to compliment the play found. the first piece connects the two playground with a forest of lighting fixtures spread across each playground. we call them pixel poles. they animate and grow like they have captured fog inside them.