stone circle in Morocco that a Roman general thought was a giant's tomb — anyone been?

Heard about this from an old fella on a megalith mailing list and it stuck with me. Mzora (also spelled Mezorah/Msoura), near Asilah in northern Morocco. ~168 stones left of maybe 175, ring about 55m across, tallest one called El Uted, "the pointer," over 5m. Tumulus in the middle. The bit that made……