after holy ark was taken, incense was placed on the shesiyah Foundation Stone, light emerged from ark, later years kohen gadol groped in the dark, reason it was called the Foundation Stone, sources Perek / Halacha: Yoma 5:3 Oz Vehadar / Artscroll: 34bVilna Shas: 27aAcademy of Hebrew Language: 584Venice / Bomberg: 42a 42c
destroyed, Temple destroyed beginning of the month of Av Perek / Halacha: Pesachim 4:1 Oz Vehadar / Artscroll: 28bVilna Shas: 25bAcademy of Hebrew Language: 517Venice / Bomberg: 30d