Symbols of Christianity

I've noticed that prayer in Islam, Coptic Christianity, and Judaism all share the same lilting, eerie song. As I walk through Coptic Cairo -- through the Ben Ezra synagogue and the Hanging Church and the Church of Girgis as the crescent moons of neighborhood mosques are never far from view -- the three religions seem so similar. A major difference, however, is Christianity's depiction of the divine, which Islam and Judaism forbid...