The beginning of "Eiffel Tower"

The Eiffel Tower is a wrought-iron lattice tower on the Champ de Mars in Paris, France.

Designed by engineer Gustave Eiffel, whose company built the tower.

it was constructed from 1887 to 1889. The tower is 330 metres (1,083 feet) tall. Its base is square, measuring 125 meters (410 feet) on each side.

Below is the first image of the tour base, beginning of the tower's construction, before it was completed.