Tourists wandering in the Eastern Carpathians might come across the ruins of firing positions and exploded bunkers built in WW II.  These ruins breaking the beauty of nature are the remnants of the so-called Árpád Line. The Árpad Line is one of the defense systems built against the attacks of the Russian army during WW II. With its more than 600 km length, the line was a fortification system making use of the lie of the high mountains with reinforced concrete firing positions, defense constructions and lookout...