Why the Great Sphinx is considered mysterious?

Near the pyramids of Giza in Egypt is an enormous statue carved out of limestone that has the face of a man and the body of a lion which was believed to have been built by the Pharaoh, and it is the guardian of Khafre’s tomb, protecting it from evil spirits.

A part of the Sphinx’s face had been damaged, but what makes it truly mysterious is the weathering that it has undergone. According to geologists, the weathering has not been caused by wind or sand as would be expected in the desert, but by water!

Since the desert has not received any significant rainfall for thousands of years, the question as to the source of the water remains a mystery. Could the sphinx be part of a civilization far older than the Egyptian civilization- one that lay near the ocean? No one really knows.