In LAGUNA NIGUEL, USA – A number of people dropped their pants or hoisted up their skirts to bare their bums at Amtrak and Metrolink trains for the annual "Mooning of the Amtrak" celebration, a tradition that began more three decades ago but has become more subdued in recent years.
:woohoo: :woohoo: :woohoo: :woohoo:
For details see link: http://www.ocregister.com/articles/people-257188-year-mooning.html