It is YHWH/Jehovah worship. That dirt mound is for a tabernacle, as described in Exodus and Leviticus.
Temple Of Slaves – Epstein’s Ode To The Mamluks
https://centipedenation.com/analysis-and-reports/temple-of-slaves-epsteins-ode-to-the-mamluks/
The Meaning of Epstein's Temple
https://www.youtube.com/watch?v=ZWYAY9DXZtI