考古学家通过对70年前在叙利亚发掘出的20具古罗马士兵的尸骨进行研究后发现,早在二千年前,波斯人就已经在战争中使用致命毒气攻击罗马军队,这是目前世界上关于人类使用化学武器的最早证据。这些尸骨是在叙利亚幼发拉底河上游的杜拉欧罗普斯城有一条地道里发现的。他们是部分罗马守城 Archaeologists studying the bones of 20 Roman soldiers who were excavated in Syria 70 years ago found that as early as two thousand years ago Persians had used deadly gas to attack the Roman army during the war, The earliest evidence of human use of chemical weapons. The bones were found in a tunnel in the city of Durarupope, on the upper reaches of the Euphrates in Syria. They are part of the Roman defenders