On Sunday, Islamic State militants used more than 30 tons of explosives to blow up part of the Temple of Bel in the ancient Syrian city of Palmyra, sources said. ISIS militants severely damage Bel Temple in ancient city of Palmyra with bomb, activists say http://t.co/pspNvh9bKh pic.twitter.com/M9aZMDtZe2 — CBS News (@CBSNews) August 30, 2015 The largest structure in the city, the Temple of Bel was constructed in 32 AD and was well preserved.