The Holy Monastery of Agios Nikolaos stands on a rock above the night sky near Kalabaka, in central Greece, Wednesday, Feb. 1, 2023. The ancient orthodox Christian monastic community in Meteora is situated on top of vertical rock formations that average 1,000 feet in height and is one of Greece's holiest site as well as the country's environmentally protected arias. Some monasteries still serve a populated by monks and nuns. (AP Photo/Petros Giannakouris)

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