James Rowlands of Allison Park, center, with his sons, Brody, 4, left, and Jay, 6, visit the Traveling Vietnam Memorial Wall on Thursday at Hampton Community Park in Allison Park. "They don't really grasp it, but they know that it's a lot," James said. Visitors from all over came to pay their respects. Check out our story online. (Photos by Haley Nelson/Post-Gazette) #Pittsburgh #PGH #412 #Vietnam #VietnamMemorial #VietnamMemorialWall #AllisonPark #VietnamWar #PGPhotos