For almost 200 years, archaeologists have been puzzled by a mysterious brown stain on the ancient Greek Parthenon temple in Greece. Now, researchers have conducted new scientific analyses, and their verdict is clear: The mystery remains.
For almost 200 years, archaeologists have been puzzled by a mysterious brown stain on the ancient Greek Parthenon temple in Greece. Now, researchers have conducted new scientific analyses, and their verdict is clear: The mystery remains. For almost 200 years, archaeologists have been puzzled by a mysterious brown stain on the ancient Greek Parthenon temple in Greece. Now, researchers have conducted new scientific analyses, and their verdict is clear: The mystery remains.