To the left, and slightly lower, you'll spot the Jaffa Gate. Got it?
Go down a little lower and you'll see Yemin Moshe. Okay?
Now, just one more geographical location - the green shaded area to the right of Yemin Moshe.
That's where the Sultan's Pool is.
Now, read this:
Israeli occupation authorities began excavation works near Al-Aqsa Mosque on Tuesday, according to Al-Aqsa Foundation for Endowment and Heritage.(Kippah tip: Elder of Ziyon)
The foundation said in a press statement that the "new excavations are concentrated in the site of Birkat Al-Sultan (Al-Sultan's Pool,” adjacent to the western wall of the Jerusalem's Old City). The pool was a source of water supply to Al-Aqsa Mosque and the Old City, the foundation said.
Here's what the pool area looked like over 100 years ago. To the right, is the City wall, to the left is Mishkanot Sha'ananim and the pool is center-right under the dirt road leading up to Jaffa Gate:-
But the pool nowadays is dry.