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 was built without mortar or cement.
mnli hypothesis: The aqueduct was built without mortar or 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.