This Monday, Aug. 31, 2015 satellite image provided by UNITAR-UNOSAT shows damage to the main building of the ancient Temple of Bel in the Palmyra, Syria.
This Monday, Aug. 31, 2015 satellite image provided by UNITAR-UNOSAT shows damage to the main building of the ancient Temple of Bel in the Palmyra, Syria. - The main building has been destroyed, a United Nations agency said. The image was taken a day after a massive explosion was set off near the 2,000-year-old temple in the city occupied by Islamic State militants. © UrtheCast, UNITAR-UNOSAT via AP

The militants targeted the Temple of Bel, a Roman-era structure in the central desert city, the Syrian Observatory for Human Rights said.

A satellite image of the Temple of Bel, Palmyra.
A satellite image of the Temple of Bel, Palmyra. © Airbus DS, UNITAR-UNOSAT