Passengers take photos during a train stop to refill the locomotive with water at Tiefenbach station near Realp, Switzerland, Friday, June 26, 2026. (AP Photo/Niccolo Lupone)

Bernhard Lang, volunteer train driver, prepares a steam locomotive at the DFB (Dampfbahn Furka‑Bergstrecke) depot in Realp, Switzerland, Friday, June 26, 2026. (AP Photo/Niccolo Lupone)

A steam train makes his way near the Muttbach-Belvedere station near Realp, Switzerland, Friday, June 26, 2026. (AP Photo/Niccolo Lupone)

One of DFB's historic steam trains travels from Realp to Oberwald during a stop at the Furka station, Switzerland, Friday, June 26, 2026. (AP Photo/Niccolo Lupone)

A currency trader watches monitors near a screen showing the Korea Composite Stock Price Index (KOSPI) at the foreign exchange dealing room of the Hana Bank headquarters in Seoul, South Korea, Wednesday, July 1, 2026. (AP Photo/Ahn Young-joon)

Currency traders watch monitors near a screen showing the Korea Composite Stock Price Index (KOSPI) and the foreign exchange rate between U.S. dollar and South Korean won at the foreign exchange dealing room of the Hana Bank headquarters in Seoul, South Korea, Friday, July 3, 2026. (AP Photo/Ahn Young-joon)

Currency traders work near a screen showing the Korea Composite Stock Price Index (KOSPI) and the foreign exchange rate between U.S. dollar and South Korean won at the foreign exchange dealing room of the Hana Bank headquarters in Seoul, South Korea, Friday, July 3, 2026. (AP Photo/Ahn Young-joon)

Currency traders work near a screen showing the Korea Composite Stock Price Index (KOSPI) and the foreign exchange rate between U.S. dollar and South Korean won at the foreign exchange dealing room of the Hana Bank headquarters in Seoul, South Korea, Friday, July 3, 2026. (AP Photo/Ahn Young-joon)