The apse of a christian church that contains the bishop 's throne .
包括主教王座的基督教教堂的后殿。
Christian churches have usually been oriented with the apse or altar at the eastern end .
基督教的教堂常以放在东端的后堂或圣坛朝向。
Mosques are oriented so that the mihrab faces mecca . Christian churches have usually been oriented with the apse or altar at the eastern end . Orientation is frequently planned to take maximum advantage of daily and seasonal variations of sunlight .
