A soloist performs during a dress rehearsal for San Francisco Ballet's The Nutcracker at the War Memorial Opera House in San Francisco, Calif. Saturday, December 10, 2016.

A museum guide hands out fresh cotton candy at the Museum of Ice Cream in San Francisco, Calif. Thursday, September 14, 2017.

A soloist performs during a dress rehearsal for San Francisco Ballet's The Nutcracker at the War Memorial Opera House in San Francisco, Calif. Saturday, December 10, 2016.