A concrete story about the disaster caused by war.
Ancient books were destroyed: In 48 BC, Julius Caesar came to Alexandria to hunt down his mortal enemy Pompeii, and tens of thousands of books were set on fire, almost destroying the famous Alexandria library.
Destruction of resources: In the recent Libyan war, Libyan government forces destroyed oil facilities in many places after their failure.
Destruction of life: 400,000 soldiers died in the battle of Changping, Qin and Zhao.