We all know that Downtown Santa Monica has seen a flurry of construction in recent years.  I try to keep my eye on all the new developments, but this caught me totally by surprise.  Did you know that there is now a subterranean Trader Joe’s hidden in the block on 5th St between Colorado and Broadway?  I sure didn’t.  Nevertheless, Trader Joe’s has opened their newest location at 500 Broadway about a week ago.