let's give it up for hamilton rec. [applause] >> and none of this would be possibly without the hardest group of city employees. all my respect to our amazing department heads. madam mayor, your san francisco rec and parks department putting this on and they're amazing. i also want to give a big shout out to our tree toppers, all of our struck ral staff and deputy maintenance staff who make this possible. let's give it up for the rec and parks staff. [applause] >> we have the holiday train that is just over to my right that has been painted every year for decades and decades, and the last several decades, by our painting supervisor, joe padilla. the theme of tonight's event is world peace. may tonight's tree lighting shine a bright light in all corners of the world and provide peace to those in need. and speaking of peace, leading the way and bringing peace to our amazing city, please give a warm welcome to our mayor, who's going to light tonight's tree, mayor london breed. [applause] >> the hon. london breed: thank yo