Tower running stair runners include: Tower running Tower running is a sport which involves running up tall man-made structures. Usually the races take place on the internal staircases of skyscrapers, but the term can cover any foot race which involves a course that ascends a man-made structure. Tower running races often take place at the world's tallest structures, including Taipei 101 (Taipei), Menara Tower (Kuala Lumpur), Willis Tower (Chicago), CN Tower (Toronto), Eiffel Tower (Paris) Eureka Tower (Melbourne), Swissotel (Singapore), Tower 42 (London), the Empire State Building (New York), the Bitexco Financial Tower (Ho Chi Minh City), and the Colpatria Tower (Colombia).
Gustave Eiffel designed by Charles Garnier, later among the most prominent critics of the Tower. The dome, with a diameter of , was the largest in the world when built and used an ingenious bearing device: rather than running on wheels or rollers, it was supported by a ring-shaped hollow girder floating in a circular trough containing a solution of magnesium chloride in water. This had been patented by Eiffel in 1881. The design of the Eiffel Tower was originated by Maurice Koechlin and Emile Nouguier, who had discussed ideas for a centrepiece for the 1889 Exposition Universelle. In May 1884 Koechlin,