- Official: Al-As'ad paid with his life for refusing to reveal location of ancient treasures
- Khaled al-As'ad was beheaded in the public square in Palmyra, a human rights official says
- He was a professor and former general manager for antiquities and museums in Palmyra
What do you want to know about Syria? Frederik Pleitgen has just returned from Damascus and will answer your questions on Facebook at 11 a.m. New York / 4 p.m. London on Thursday.
(CNN)Khaled al-As'ad spent his life on the painstaking task of preserving antiquities, saving the relics of our ancestors for generations yet to come.