寺的方向，必须朝着麦加的圣殿“克尔白”这一要求。
Others again adopt an orientation of the rectangular shrine itself .
五为朝功，就是到麦加朝观天房&克尔白圣殿，一生中至少要到麦加朝观一次。
The fifth is performing the hajj , or pilgrimage , to Makkah at least once in a lifetime .
克尔白