[2] AUC's faculty members, adjunct teaching staff and visiting lecturers are internationally diverse and include academics, business professionals, diplomats, journalists, writers and others from the United States, Egypt and other countries.Four years later, Watson decided that the university could not afford to maintain its original religious ties and that its best hope was the promotion of good moral and ethical behavior.[10] Egypt stopped short of nationalizing the university,[11] which was supported by money owed as repayment of loans made by the U.S. Agency for International Development.The government returned control to American administrators on June 12, 1974, coinciding with a visit to Cairo by U.S. president Richard Nixon.In a letter to the president, the faculty cited "low morale, complaints about his management style, grievances over contracts and accusations of illegal discrimination" with tensions further increasing when Ricciardone invited U.S. Secretary of State Mike Pompeo to give a speech at the university.[15] On February 11, 2019, the Board of Trustees of the American University in Cairo reaffirmed its continued confidence and unqualified support for President Francis J. Ricciardone.[26] AUC New Cairo provides advanced facilities for research and learning, as well as all the modern resources needed to support campus life.[28] The new campus is intended to serve as a case study for how architectural harmony and diversity can coexist creatively and how tradition and modernity can appeal to the senses.[29] Campus spaces serve as virtual laboratories for the study of desert development, biological sciences, and the symbiotic relationship between environment and community.The university's Campus Center provides students with a communal area to eat, congregate, organize trips, and attend campus-wide events.This unique area integrates independent study, interactive learning, multimedia and technology rooms, and copy and writing centers.[27] AUC New Cairo was built using 24,000 tons of reinforcing steel, as well as 115,000 square meters of stone, marble, granite cladding and flooring.[30] Sandstone for the walls of campus buildings was provided by a single quarry in Kom Ombo, 50 kilometers north of Aswan.The stone arrived by truck in giant multi-ton blocks, which were cut and shaped for walls, arches and other uses at a stone-cutting plant built on the site.A 1.6-kilometer service tunnel that runs beneath the central avenue along the spine of AUC's campus is a key element to making its overall pedestrian nature possible.All other pipes for sewage, natural gas, irrigation and fire fighting are buried on the campus, outside the tunnel, around buildings as needed for their purposes.[37] In a letter to the president, the faculty cited "low morale, complaints about his management style, grievances over contracts and accusations of illegal discrimination" with tensions further increasing when Ricciardone invited U.S. Secretary of State Mike Pompeo to give a speech at the university.