optical illusion

19th Century ‘Devil’s Bridge’ Uses Its Reflection to Form a Perfect Circle

19th Century ‘Devil’s Bridge’ Uses Its Reflection to Form a Perfect Circle The ‘Devil’s Bridge’ is a 19th-century structure in Kromlauer Park, Germany, that was designed to make a perfect circle with its reflection in the water below. Commissioned in 1860 by the knight of the local town, the thin arch stretching over the waters of the Rakotzsee is roughly built out of varied local stone. Like many similarly precarious spans across Europe, the Rakotzbrücke is known as a “devil’s bridge,” due to the []