HARRISBURG – Visitors to the state Capitol in Harrisburg can see an exhibit marking the 20th anniversary of 9/11. It will be available for viewing through October 15 in the state Capitol’s East Wing. Tributes, memorials, items from first responders, and objects related to the investigation are some of the key features of the exhibit. Working in conjunction with the National Park Service and the Flight 93 Memorial, the exhibit features never before seen objects and photographs. Also highlighted are some of the responses from members of the PA House & Senate.