This photograph shows the little train of Artouste, a historic tourist railway, along the mountainside in Artouste near Laruns, south-western France, on May 7, 2026. The Artouste little train is located in the Ossau Valley, in the Pyrenees-Atlantiques department of France. This historic tourist railway offers a mountain excursion at an altitude of over 2,000 meters. It travels 10 kilometers on its narrow-gauge track. It is the highest narrow-gauge railway in Europe. (Photo by Gaizka IROZ / AFP via Getty Images)

An employee installs a sign next to the railway line to allow the little train, a historic tourist railway, to pass in Artouste near Laruns, south-western France, on May 7, 2026. The Artouste little train is located in the Ossau Valley, in the Pyrenees-Atlantiques department of France. This historic tourist railway offers a mountain excursion at an altitude of over 2,000 meters. It travels 10 kilometers on its narrow-gauge track. It is the highest narrow-gauge railway in Europe. (Photo by Gaizka IROZ / AFP via Getty Images)

This photograph shows a cable car at the Artouste ski resort with the Pic d'Ossau mountain peak of the Pyrenees in the background from Artouste near Laruns, south-western France, on May 7, 2026. The Artouste little train is located in the Ossau Valley, in the Pyrenees-Atlantiques department of France. This historic tourist railway offers a mountain excursion at an altitude of over 2,000 meters. It travels 10 kilometers on its narrow-gauge track. It is the highest narrow-gauge railway in Europe. (Photo by Gaizka IROZ / AFP via Getty Images)

This photograph shows the arrival station of the little train, a historic tourist railway, in Artouste near Laruns, south-western France, on May 7, 2026. The Artouste little train is located in the Ossau Valley, in the Pyrenees-Atlantiques department of France. This historic tourist railway offers a mountain excursion at an altitude of over 2,000 meters. It travels 10 kilometers on its narrow-gauge track. It is the highest narrow-gauge railway in Europe. (Photo by Gaizka IROZ / AFP via Getty Images)

This photograph shows a view of the little train of Artouste, a historic tourist railway, passing between snow ahead of its opening to the public on May 8th in Artouste near Laruns, south-western France, on May 7, 2026. The Artouste little train is located in the Ossau Valley, in the Pyrenees-Atlantiques department of France. This historic tourist railway offers a mountain excursion at an altitude of over 2,000 meters. It travels 10 kilometers on its narrow-gauge track. It is the highest narrow-gauge railway in Europe. (Photo by Gaizka IROZ / AFP via Getty Images)

This photograph shows a view of the little train of Artouste, a historic tourist railway, passing between snow on the mountainside ahead of its opening to the public on May 8th in Artouste near Laruns, south-western France, on May 7, 2026. The Artouste little train is located in the Ossau Valley, in the Pyrenees-Atlantiques department of France. This historic tourist railway offers a mountain excursion at an altitude of over 2,000 meters. It travels 10 kilometers on its narrow-gauge track. It is the highest narrow-gauge railway in Europe. (Photo by Gaizka IROZ / AFP via Getty Images)

Director of the Artouste ski resort and train Jean-Christophe Lalanne poses with the Pic d'Ossau mountain peak of the Pyrenees in Artouste near Laruns, south-western France, on May 7, 2026. The Artouste little train is located in the Ossau Valley, in the Pyrenees-Atlantiques department of France. This historic tourist railway offers a mountain excursion at an altitude of over 2,000 meters. It travels 10 kilometers on its narrow-gauge track. It is the highest narrow-gauge railway in Europe. (Photo by Gaizka IROZ / AFP via Getty Images)

This photograph shows a view of the little train of Artouste, a historic tourist railway, passing on the mountainside ahead of its opening to the public on May 8th in Artouste near Laruns, south-western France, on May 7, 2026. The Artouste little train is located in the Ossau Valley, in the Pyrenees-Atlantiques department of France. This historic tourist railway offers a mountain excursion at an altitude of over 2,000 meters. It travels 10 kilometers on its narrow-gauge track. It is the highest narrow-gauge railway in Europe. (Photo by Gaizka IROZ / AFP via Getty Images)