主题：图拉真皇帝修的水利设施。Roman Aqueduct in Segovia, Spain. This massive aqueduct was built under the rule of emperor Trajan (r. 98-117 AD)
回复：图拉真皇帝修的水利设施。Roman Aqueduct in Segovia, Spain. This massive aqueduct was built under the rule of emperor Trajan (r. 98-117 AD)
这玩意别说zn人建不出来，连中世纪的欧洲人也造不出来
Bitter-Eye-4809 21-12-14