In the mid-nineteenth century, an aqueduct was constructed in Braine-l'Alleud in Walloon Brabant to bring water from the Hain River to the Belgian capital, Brussels.
A 941-meter-long aqueduct stretches across the Alcântara Valley in the Portuguese capital, Lisbon.
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Once a year, the Arenberg coal mine and two abandoned railway bridges play a starring role during the passage of the spring cycle classic: Paris-Roubaix.
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