ISTANBUL, TURKEY
Beyazıt Tower, also named Seraskier Tower, from the name of the Ottoman ministry of War, is an 85 m (279 ft) tall fire-watch tower located in the courtyard of Istanbul University campus (formerly Ottoman Ministry of War.)
Located on Beyazit Square (known as the Forum Tauri in the Roman period), it is on top of one of the "seven hills" which Constantine the Great had built the city, following the model of Rome.
It is currently equipped with lighting system to indicate weather conditions in different colors.
Red color means snow, blue - nice and clear weather, green - rain and yellow - fog.
