The eiffel tower (25.42) in paris exhibits a frank, technological aesthetic utilizes the principles of structural engineering that had been applied to bridges was created for a world's fair all of the above

The correct answer is:

All of the above.

Explanation:

The Eiffel Tower was built by Gustav Eiffel's in company in Paris for the World's Fair of 1988 as part of the exposition, and was intended to be destroyed 20 years later in 1909, after it's license expired but the tower proved to be a great tourist spot, and a radio antenna, so they allowed Gustav Eiffel to keep it.

Gustav Eiffel' previous works were based on metal, being mostly bridges and railroad bridges, he took this knowledge and applied it to the Eiffel Tower, creating an unbelievable and revolutionary structure that became the most paid monument in the world later on since it exhibits a frank technological aesthetic, and it’s one of the main attractions in Paris

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