site.btaIslands.com Compares Bulgaria's Perperikon to Peru's Machu Picchu
The foundations of a Christian church in Perperikon (Nikolay Ovcharov Photo)
The sacred rock city of Perperikon, located in the Eastern Rhodope Mountains, received international recognition again earlier this month, after Islands.com compared it to Peru's Machu Picchu in an article published on December 20.
/NZ/
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