I had a ball - lame pun intended - volunteering at the Dupont Underground with some of my friends this morning. This was actually my first time in the abandoned trolley station which plans to open its doors to the public on April 30 with its first art exhibit, “Raise/Raze.” "Raise/Raze" was the winning project of Re-Ball!, an open design competition for a site-specific installation in the underground space using the more than 650,000 translucent plastic balls from the National Building Museum's "Beach" installation. So today we helped built the installation by glue-ing a bunch of these balls ...