Our own Simon Sage was able to grab a shot of the banners going up. The colorful display matches the event invitations. Apple was also building a new structure outside the Yerba Buena Center earlier this week.
Apple's "Spring Foward" event is expected to focus on the Apple Watch. The event kicks off on Monday, March 9 at 10 a.m. PDT/1 a.m. EDT. iMore's Rene Ritchie and Serenity Caldwell will be there, bringing you the latest on Apple's first foray into wearables.