Бугарија
The medieval town of Cherven was built along the hard-to-reach banks of the Black Lom river, which today falls within the boundaries of the Rusenski Lom nature park. The city began its existence in the 6th century as a Roman municipality, when it reached its heyday in the 14th century, within the borders of the Second Bulgarian Kingdom. It was destroyed during the Ottoman rule. During archaeological studies, a castle, fortress walls, underground passages for water supply, 13 churches, social-administrative buildings, dwellings, coins, jewelry, ceramics, craft tools, weapons, etc. were discovered. in
