 Its architecture reflects some changing attitudes towards southside Bethlehem by breaking the tradition of creating a visual wall between the campus and city.Instead, a plaza of buildings now opens out to the city along the New Street corridor/4th street, and directly into town.The six "Upper Centennials" (Congdon, Emery, Leavitt, McConn, Smiley and Thornburg) were built in 1965 for the university's 100th anniversary.