Trabzon, Turkey (CNN) — If its ancient walls could talk, Sümela Monastery in eastern Turkey would have quite a few stories to tell. Since its founding in the 4th century CE by some of the earliest ...
MOUNT ATHOS, Greece -- The medieval monastery clings almost impossibly to sheer cliffs high above the shimmering turquoise of the Aegean Sea. Rising from the rugged granite rock, its walls enclose a ...
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