Video: The process of assembling the world's tallest bridge

The process of assembling the world's tallest Millau viaduct in France requires a lot of modern technology and high accuracy.

Millau viaduct.

Millau Viaduct crosses the Tarn valley, Aveyron province, France, dubbed the world's tallest bridge with a height of 343m, according to the Science Channel. This work was designed by Michel Virlogeux, French engineer and Norman Foster, British architect.

The process of building bridges is extremely difficult and complicated as engineers and workers have to fight with many factors such as landslides, strong winds and big storms.