A collapsed and flooded complex of mining galleries stretches between 600 and 800 metres below the cyclocross World Cup 2025 course in the northern French town of Liévin.
A seven-hundred-meter long embankment, a splash of asphalt here and there, and two useless viaducts: cars will not immediately drive on the four-lane road of the N60 in Frasnes-lez-Anvaing.
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A collapsed and flooded complex of mining galleries stretches between 600 and 800 metres below the cyclocross World Cup 2025 course in the northern French town of Liévin.
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