Western Wall, Jerusalem, Israel - The Western Wall is part of the retaining wall supporting the temple mount built by <PERSON> in 20 B.C. After the destruction of the Second Temple in 70 A.D., <PERSON> were not allowed to come to Jerusalem until the Byzantine period, when they could visit once a year on the anniversary of the destruction of the Temple and weep over the ruins of the Holy Temple. Because of this, the wall became known as the ``Wailing Wall.''