This undated photograph depicts the original tower of Victorious Life Christian Church. Part of the tower was demolished before the congregation bought the church in 1991. The Troy congregation Victorious Life Christian Church, at Fifth Avenue and Fulton streets, has confronted a preservation dilemma that plagues a number of houses of worship: excessive deterioration of its sandstone foundation. Sandstone is exactly as its name implies: a sedimentary rock of sand-size mineral