Photograph:An early 5th-century mosaic in a semicircular portion of a church in Rome shows Christ, the …
An early 5th-century mosaic in a semicircular portion of a church in Rome shows Christ, the …
De Antonis

The beliefs and practices of Christianity are based on the teachings of Jesus Christ. Christianity is divided into three main denominations: Roman Catholic, Eastern Orthodox, and Protestant. There are more Christians in the world (some 2 billion at the beginning of the 21st century) than followers of any other single religion. (See also Jesus Christ.)