Alamo Plaza Zumba YMCA sept 2013

A flash workout mob begins in Alamo Plaza led by an instructor from the YMCA. Photo by Kay Richter.

A flash workout mob begins in Alamo Plaza led by an instructor from the YMCA. Photo by Kay Richter.

A flash workout mob begins in Alamo Plaza led by an instructor from the YMCA. Photo by Kay Richter.