Answer: Lines of latitude, which include - the Arctic Circle; The Tropic of Cancer; The Equator; The Tropic of Capricorn; The Antarctic Circle. The one in the middle is the equator. Latitudinal lines run from east to west.
Answer: Originally, the practice was rooted in worship of the sun. With the sun rising in the east, it was presumed the same would occur to the soul, or spirit, of the deceased. Centuries later it evolved into simply the traditional method of burial, with little regard to the basis of the practice.