World Monitor Mag, Digitalisation WM_June 2019 web | Page 66

Life style At a distance of 80 km you can see the rays of four searchlights on the top of the tower. At a distance of 80 km you can see the rays of four searchlights on the top of the tower. 7 million tourists visit the tower, 25% of them are the French themselves. . In all its existence, the building, which the Parisians used to call the ‘lightning rod’, the ‘monster’ and the ‘skeleton’, disfiguring the appearance of the city, was visited by about 300,000,000 people Four workers fastened each rivet: one held it, the second heated (when cooled, the metal part was compressed, due to which the fastening strength was ensured), the third formed a cap, and the fourth flattened it. The total weight of the tower is 10,100 tons, with its frame weighing in at 7,300 tons. 60 world monitor In order to cover the entire tower, 60 tons of paint is needed. She has been repainted 19 times (on average, once every 7 years). The paint layer eventually reached 3 mm and weighs about 350 tons. By the end of 2021, the tower will be painted again, after having cleaned its 250,000 m2 construction area of the old anti-corrosion coating, which contains the banned lead. The tower has changed colors seven times, until in 1968 it acquired the present one. Gustav Eiffel conducted 5,000 scientific experiments on the tower from August 1909 to December 1911. In particular, the tower became a platform for testing Foucault's pendulum and mercury manometer, as well as a place of research in physiology and radio communications.