This is a very tall tower. 

The Ostankino Tower is very tall. 


The Ostankino Tower is a very tall building in Moscow, Russia. 

Nikitin put 150 steel cables inside the tower. These cables help it stay strong. To stop the metal from rusting, workers coated the cables in gun oil. This is a thick oil made with petrolatum. The tower can sway in the wind. It stays steady because of its center of gravity. This is the point where weight is balanced. 
At the top, there is a place to eat. It is a restaurant called "Seventh Heaven." There are also two places to look at the view. One is a glass deck at 337 meters. The other is an open deck near the top.
In the year 2000, a big fire broke out. The fire started high up at 460 meters. It damaged the restaurant and the cables. Many people lost their TV signals for a long time. Workers had to fix the tower to make it safe again.
The Ostankino Tower is a famous landmark in Moscow, Russia. 

Building such a tall tower required a very clever design. An engineer named Nikolai Nikitin wanted to use reinforced concrete. This is a strong material made of concrete and metal. To keep the tower steady, Nikitin put 150 steel cables inside it. These cables act like strong strings that hold everything together. He even coated them in gun oil to stop them from rusting. The tower stays upright because of its shifted center of gravity. This means it can sway in the wind without falling over. 
Nikitin had many interesting ideas during the design process. He once said he imagined the tower's shape in a dream. He pictured a cone-shaped base like an upside-down flower. Some people believe his ideas came from older scientific work. For example, Yuri Kondratyuk once designed a hollow concrete structure. Another architect, Pier Luigi Nervi, made a similar design in Rome. Nikitin worked hard to make his vision a reality. He wanted the tower to look beautiful and strong.
Construction of the tower began in the year 1959. Workers had to build a whole town just to help with the project. This town had a concrete plant and a workshop. They used a special self-lifting crane to build the main trunk. To put the antenna on top, they even used helicopters. The tower was finally finished and opened in 1967. It was built to mark the 50th anniversary of the October Revolution. Since then, over 15 million people have lived in its signal area.
Visitors can enjoy many things at the top of the tower. There is a revolving restaurant called "Seventh Heaven" that spans three floors. There are also two observation decks for looking at the view. One deck is enclosed in glass at 337 meters high. The other is an open deck near the very top. In 2000, a large fire caused a lot of damage. The fire started at 460 meters and burned for a long time. Even after the fire, workers fixed the tower so people could visit again.
The Ostankino Tower is a massive television and radio tower located in Moscow, Russia. 

Before this tower was built, radio and TV signals were sent by a different structure. That older tower was designed by Vladimir Shukhov in 1922. By the 1950s, that engineering feat had reached the end of its useful life. The original design competition for a new tower favored an openwork metal design. This would have looked similar to the Eiffel Tower in Paris. However, the engineer Nikolai Nikitin disagreed with this plan. He believed a reinforced concrete tower would be much more beautiful and strong.
Nikitin's design for the tower was highly unique and complex. He proposed a structure that stood 540 meters tall. To keep the concrete frame stable, he incorporated 149 taut steel ropes. 
To protect the internal steel cables from corrosion, workers used a special substance. They coated the cables in gun oil, which is a thick petroleum oil. This oil is made by mixing petrolatum and ceresin to ensure it stays on the metal. The construction process began in 1959 and was a massive undertaking. An entire town was built just to support the project. This town included a concrete plant, a mechanical workshop, and a boiler house. Workers used a self-lifting crane to erect the main trunk of the tower. They even used helicopters to install the antenna at the very top.
The finished tower features several distinct sections and uses. At a height of 325 to 360 meters, there is a structure that looks like a 10-storey house. This section contains essential equipment and a revolving restaurant called "Seventh Heaven." The restaurant spans three floors and offers views of the city. 
In August 2000, the tower suffered a devastating fire. The blaze began at a height of 460 meters. It started around 3 o'clock in the afternoon and burned until the following evening. The fire caused massive damage to the "Seventh Heaven" restaurant and the tower's electronics. Of the 150 steel cables, only 19 remained intact after the fire subsided. The fire caused the upper spire to tilt slightly, which raised fears of a collapse. However, engineers determined there was no immediate risk. The fire also caused a major disruption to television and radio services across Moscow. It took several months to fully restore the signals to the city.
Despite the fire, the tower has remained a significant landmark. The observation deck was fully renovated and reopened in early 2008. The tower has also hosted unique events, such as a race in 2018. In this race, athletes from 12 countries ran up the narrow, spiral staircase. The fastest runner, Christian Riedl, reached the 337-meter mark in 9 minutes and 51 seconds. The women's winner, Cynthia Harris, finished in 12 minutes and 15 seconds. The tower continues to be a vital part of the Russian broadcasting network.
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