Even the trains slow down so that passengers can enjoy the show.
Like all harebrained ideas, Mooning of the Amtrak began with the promise of free alcohol.
Some accepted the challenge and a ritual was born.
Over the past couple of years, it has turned into much more than mooning.
In 2008, the crowd swelled to 10,000 and things got a little out of hand.
Since then, crowds have been declining.
Photo credit:michsamp/Flickr
Sources:LA Weekly/Telegraph/www.ocregister.com
