The aqueduct is composed of thousands of granite blocks arranged in graceful arches, sometimes two-tiered, but without mortar or cement of any kind.
The aqueduct is made of mortar and cement.
mnli hypothesis: The aqueduct is made of mortar and cement. premise: The aqueduct is composed of thousands of granite blocks arranged in graceful arches, sometimes two-tiered, but without mortar or cement of any kind.