France
'The Ghosts'
Sculpture · Oulchy-le-Château
Railway viaduct
viaduc de la ligne 18 du métro de Paris
The viaduct of the Paris metro line 18 is a French railway viaduct under construction in the Essonne. This 6.7-kilometre-long art work is expected to allow the crossing of the Saclay plateau from 2026 via the Paris metro line 18.