At present, the tallest tower in the world stands at the National Television Tower in downtown Toronto, Canada, which is a landmark building in Toronto. It is not only one of the top ten landscapes in Canada, but also the tallest independent building in the world. The TV tower is 553.3 meters high and is built on the floors 1976 and 147. The disc-shaped observation deck looks like a flying saucer from a distance, standing next to Toronto's harbor. From here, you can see the most complete city scenery of Toronto. The TV Tower attracts 2 million tourists every year, and it is a must-see for visitors to Toronto.

Toronto TV Tower in Canada is a joint venture between Canada National Railway Company and Pacific Railway Company. 1973 started and 1976 was completed. The total height is 553 meters. The cross section of No.420 high-strength concrete tower is Y-shaped, and each wing of the foundation is 30.48 meters wide and 6.7 meters thick, and gradually divided into single columns, reaching 446 meters. Then the 5m-high base of the launch tower is poured with special dense concrete, and a 102m-high launch antenna steel tower is installed on it, which is hoisted by a giant helicopter. The whole TV tower is made of 5600 tons of steel and 40000 cubic meters of concrete, with a total weight of 13000 tons. It is a giant, no wonder people call it "the giant elephant of Canada"

The second tallest tower in the world-Ostankino Radio and TV Tower in Moscow

Moscow Ostankino Radio and Television Tower was built in 1967, which is the second tallest independent building in the world. Its building weighs over 55,000 tons. Ostankino TV Tower is 1, 77 1 ft (540 meters) high, which is an architectural miracle for a city not famous for its skyscrapers. It takes only 58 seconds for tourists to reach the observation deck of the tower. The observation deck is located at a height of 1, 105 feet (337 meters) above the ground, from which you can enjoy Moscow from a new perspective.

Shanghai Oriental Pearl Tower, the third tallest tower in the world.

Shanghai Oriental Pearl Tower, 468 meters above the ground, is the tallest tower in Asia and the third tallest tower in the world, second only to the National Tower and the Keno TV Tower in Hostains.

Shanghai Oriental Pearl Tower is located at the end of Lujiazui and beside the Huangpu River, echoing the world-famous Shanghai Bund. In view of Shanghai's geographical position and historical orientation, talented designers have designed 1 1 spherical buildings with different heights and some spherical facilities, which stand among the green trees and grass, creating the artistic conception of "like pearls pouring on a plate of jade".