This is St. Patrick's Cathedral, an example of the "Greening The City" initiative during St. Patrick's Festival in Dublin. The 2012 Festival runs from 16 to 19 March. Tourism Ireland runs a "Global Greening" campaign so other landmarks such as the London Eye or the Empire State Building in New York may participate.
Fun Spreecast with Amy Wood about Autumn, the pregnant giraffe at the Greenville SC Zoo: "You've asked me so many questions.. time to get some answers with Zoo Director Jeff Bullock." http://www.carolinascw.com/index.php/theribbit/article/your_questions_about_the_pregnancy_of_autumn_the_giraffe_due_any_day/