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Evidence of ancient hybrid camels has been uncovered by archaeologists who were working to restore a temple in northern Iraq damaged by ISIS.

The Temple of Allat, which dates to the second century AD, is located in the city of Hatra, a UNESCO World Heritage site. Once a sprawling metropolis, it served as the capital of the Kingdom of Hatra. The remains of the ancient city were heavily vandalized by religious extremists between 2015 and 2017. Before that, the temple had also suffered decades of neglect.

During restoration after the recent damage, researchers spied something unexpected in a frieze above a door of the Temple of Allat. The horizontal stone piece of artwork appeared to show hybrid camels that resulted from crossing two different breeds.

The depiction of these camels has helped researchers gain a better understanding of ancient Hatra, which was a small neighboring kingdom of the Roman and Parthian empires — though those neighbors were often more hostile than friendly.

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