temple of Diana
in her sacred grove, with columns added on the right and left at the flanks of the pronaos. Temple of Castor in the Circus, were first built in Athens on the Acropolis, and in Attica at Sunium to Pallas Minerva. The proportions of them are not different, but the same as usual. For the length of their cellae is twice the width, as in other temples; but all that we regularly find in the fronts of others is in these transferred to the sides. (Vitruvius, 15BCE)