Complex sentence: The unique entryway is posed as a tower-portal, something unusual in Toledan architecture; the portal is thus placed in the lower part of the temple tower, which stands out from the temple's main floor.
Split into simpler sentences: The unique entryway is posed as a tower-portal, something unusual in Toledan architecture. The portal is thus placed in the lower part of the temple tower, which stands out from the temple's main floor.