Like the ostankino tower, cn tower is a member of the worth federation of great towers. it is one of the towers in the world. it is 553 metres high. cn in toronto, canada. cn means canadian national. it's the name of the railway company the tower in 1976. a lot of tourists visit the tower. they enjoy a bird's of toronto. the tower is also famous for the " glass floor". brave tourists the city from under their feet. cn tower is open every day 25th. the tower visiting переведите ))