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A Mountain City In Bulgaria With Ancient Mysteries Is Known As 'The Machu Picchu Of Europe'
This mountain city in Bulgaria is known as the Machu Picchu of Europe but is less crowded and easier to get to, while still full of ancient mysteries.
What Was British European Airways' Route Network Like In 1950?
In this article, we will further explore BOAC's route network in 1950, using original route maps the airline issued to ...