Amazing Planet:

Standing right in the middle of downtown Frankfurt, surrounded by modern high-rises, is an early 15th century tower called Eschenheimer Turm. The tower was once part of a massive fortification that consisted of nearly sixty towers and walls that encircled the city. Most were demolished between 1806 and 1812 when the old city walls were torn down. Eschenheimer Turm, along with two other towers, were saved from demolition at the request of French ambassador Count d’Hédouville. Today the tower is one of Frankfurt’s most famous landmarks.

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