Ancient fortification wall covered in lichens
by Konstantinos Kourtidis, Demokritus University of Thrace, Xanthi, Greece
The wall is from ancient Abdera-Polestelon from around the 10th century AD.
Taken on 7
Submitted on 11 September 2014
Credit: Konstantinos Kourtidis (distributed via imaggeo.egu.eu)
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