workers place carpets over ancient floor designs in the cave under the dome of the rock , which israeli scholars are angry they did not get the chance to document the designs .
but when the old carpet was lifted , it revealed previously undocumented ancient floor designs - which could point to where the gold-cased ark of the covenant was buried 2,500 years ago .
the discovery of the cryptic geometric patterns immediately caught the attention of some researchers , thrilled at the possibility of solving the indiana jones-type mystery which touches upon a holy grail for biblical enthusiasts .