P Class from Kent and East Sussex Railway in Baie de la Somme

Is this the only location in the world with dual gauge street running? 0-6-2T #3714 heads a freight working over the canal bridge during the railway's 2009 gala weekend.

This tank loco from Haine Saint Pierre heads a Cayeux-bound train up the steep climb away from St Valery on this vey attractive NG tourist railway.