\f1 \fs22 In ancient tines it could have been used for those ½healthy walks╗ of which the Romans were so fond, foll
owing the long wall with tablets attached to it indicating the distance covered. The imposing wall of the poikhile, much of which still reaches its full height, testifies to the highly resistant character of Roman concrete. The holes for the beams that u
sed to support the pitched roof are still visible.\par