A 20-year-old American student, James "Weston" Higginbotham, has been missing for a week. He was last seen near the border between Kyoto and Shiga prefectures in Japan.

Japanese volunteers will help search the challenging terrain this weekend.

A GoFundMe campaign has raised more than $40,000 for search efforts.

AI-generated summary was reviewed by a CNN editor.

One stranger from Tokyo is shutting down his business for a week to help. Another volunteer dropped everything to provide transportation and translations for American parents desperate to find their son.