Vicon Industries announced that The Cathedral of Saint John the Divine, the largest Cathedral and fifth largest church building in the world, recently completed installation of a Vicon Valerus video management system to secure the Cathedral and surrounding 11.3 acre complex in Manhattan. As the seat of the Episcopal Diocese of New York, the Cathedral is the site of daily religious services, community programing and social outreach. It also plays host to a busy schedule of art exhibitions, concerts, receptions, public and private events and visiting dignitaries, who have included Nelson Mandela, The Most Reverend Desmond Tutu and President Bill Clinton.