It's summertime, so lots and lots of car meets/events...
from the facebook page:
"Grand opening of our new 8000 SQ FT shop in Antioch! Car meet, food, and fun! Come on out and help us celebrate!"
Beginning @ 10AM
3277 E 18th St, Antioch, CA
heard about this one from the MR2 forum.
https://www.facebook.com/events/582417951809269/