Conservationists at Persepolis, Iran's most iconic ancient site, are waging a delicate battle against an unlikely adversary: ...

Conservationists battle lichens eroding ancient Persepolis, aiming to preserve intricate carvings and structures from ...

Conservationists at Persepolis, Iran's most iconic ancient site, are waging a delicate battle against an unlikely adversary: tiny but persistent lichens eroding the millennia-old monuments.

The ancient miners lost their lives digging salt from a site that was used for centuries by various peoples living in the ...

The fight, which began years ago, is aimed at stopping the threat to the integrity of the site's structures and its intricate carvings from lichens, organisms that grow on surfaces like stone and ...

A UNESCO World Heritage Site since 1979, Persepolis features colossal sculptures and intricate stone reliefs of ancient Persian kings, nobles and deities. But these have suffered over the years ...