The White Tower is a very famous building in Greece and it decorates Thessaloniki.Its cylindrical shape makes it unique.It is 33.9m tall, it has 71.3m perimeter and 22.7m diameter.The Byzantines  built it in 1535 and it was called  Lion Tower, Kalamaria fortress, Tower of the Janissaries and Blood Tower in the past.The Turkish demolished the protective wall in 1901.Many tourists visit it every year.