SFGate.com: December 15, 2009 - For the past 22 holiday seasons, The San Francisco SPCA (The SF/SPCA), has joined forces with Macy's department store in Union Square to find homes for adoptable cats and dogs. This article offers a behind-the-scenes look at all the hard work that goes into The SF/SPCA's popular and successful Macy's Holiday Windows campaign, and what happens on the other side of the glass when passersby fall in love with the animals on display.