the cornerstone was placed by marquis de lafayette. it's a monument to the first revolutionary battle that was staged in hope to create a world with rights, and the right to life, liberty, pursuit of happiness. >> hinojosa: and one of the things that you focused on in your work, there are two groups of people who you have focused on in your work that are really, really fascinating. one of them is immigrants, immigrants without a voice, and the other one is the homeless. >> and veterans. >> hinojosa: and veterans. so let's talk a little bit about the work with immigrants. you have... >> they are called the alien staff. >> hinojosa: the alien staff. >> yes. >> hinojosa: which i remember when i first saw it i was like, "what is this?" it's essentially a staff that has... it's carrying... >> it's like a walking stick. >> hinojosa: it's a walking stick. >> it's got a certain symbolic power, like, that's why it's called staff. >> hinojosa: and it's got their memories, it's got their passport, it's got their papers? >> it has plexiglass conta