וַיַּ֥עַשׂ הָרַ֖ע בְּעֵינֵ֣י יְהוָ֑ה כְּכֹ֥ל אֲשֶׁר־עָשׂ֖וּ אֲבֹתָֽיו׃
Und er tat das, was in den Augen des HERRN böse war, nach allem, was seine Väter getan hatten.
Mishnah Middot
All the walls that were there [in the Temple] were high except the eastern wall, for the priest who burned the red heifer would stand on the top of the Mount of Olives and direct his gaze carefully to see the opening of the Sanctuary at the time of the sprinkling of the blood.