Hosted on MSN3mon
Tiny Lichens Are Eating Away At Persepolis, Threatening The Most Well-Known Ancient Site In Iran Built During The 6th Century B.C.
Persepolis, the most well-known ancient site ... and the harsh desert climate. "We cover the lichen with a material, and after a week, repeat the process until they weaken enough to be removed ...
AFP on MSN6mon
The stone-eaters that threaten Iran's ancient Persepolis
"We cover the lichens with a material and ... Sohrabi said, noting that some at Persepolis were over 1,700 years old. "Many ...