A visitor walk through tunnels at Sado Kinzan Gold Mine historic site in Sado, Niigata prefecture, Japan, Sunday, Nov. 24, 2024. (AP Photo/Eugene Hoshiko)

One of the industrial heritages Kitazawa Flotation Plant, a processing gold ore plant, is seen in Sado, Niigata prefecture, Japan Sunday, Nov. 24, 2024. (AP Photo/Eugene Hoshiko)

Stone statues are placed near the site of former Fourth Souai Dormitory for the mine workers from the Korean Peninsula, in Sado, Niigata prefecture, Japan, Sunday, Nov. 24, 2024. (AP Photo/Eugene Hoshiko)

A staff walks through a tunnel at Sado Kinzan Gold Mine historic site in Sado, Niigata prefecture, Japan, Sunday, Nov. 24, 2024. (AP Photo/Eugene Hoshiko)

One of the industrial heritages Kitazawa Flotation Plant, a processing gold ore plant, is seen in Sado, Niigata prefecture, Japan Sunday, Nov. 24, 2024. (AP Photo/Eugene Hoshiko)

Visitors stroll one of the industrial heritages Kitazawa Flotation Plant, a processing gold ore plant in Sado, Niigata prefecture, Japan Sunday, Nov. 24, 2024. (AP Photo/Eugene Hoshiko)

Visitors stand near Doyu no Warito, symbolic remain of the Sado Gold Mine, in Sado, Niigata prefecture, Japan, Sunday, Nov. 24, 2024. (AP Photo/Eugene Hoshiko)

Police officers stand guard on an entry point to motorway leading to Islamabad, which has been closed by authorities due to a planned rally by supporters of imprisoned former Prime Minister Imran Khan's Pakistan Tehreek-e-Insaf party, in Lahore, Pakistan, Saturday, Nov. 23, 2024. (AP Photo/K.M. Chaudary)