A Mysterious Discovery

A short while after they were done with the implementation of the radar scanning technology, they witnessed something very interesting. The site was indeed holding centuries-old mysteries. They spotted a large oval shaped thing tucked deep under the ground through the hi-tech radar device. Whereas the device was showing it clearly, there was no trace of it on the ground. Had they not taken help of radar they would have never found out about the artifact. Years of hard work was finally going to be paid off. They stared at the sonar image in order to make out what is it. And finally, they did…..