Read the text and choose the correct option to fill in the gaps.

The total ... of the Ostankino Tower \(designed by Nikolai Nikitin\) is 540 metres. The construction began in 1963 and was ... in 1967. It is the highest freestanding ... in Europe and Asia. For some time, the Ostankino TV ... was the highest construction in the world. This ... construction has 45 levels, tens of ring decks and balconies. It has also got a ... called “The seventh sky” with a glass ... . The restaurant offers a fantastic ... of Moscow.