Photo - Shawnee residents Brianna Arnold, age 11, and Paige Iddings, age 10, looking at the green water after a prankster treated the water system at the Myriad Botanical Gardens with green dye in Oklahoma City Monday, March 17, 2013. The students were visiting the Myriad Gardens while out on spring break. Photo by Paul B. Southerland, The Oklahoman