The August issue of Genji News summarizes what happened when 30 children of North Korean defectors came to inspect the Japan-Korea Tunnel.
They received scholarships from the Hyojeong World Peace Foundation, which was established by Hak Ja Han, the widow of the late Rev. Sun Myung Moon, an advocate of the Japan-Korea tunnel, and this is their first time to receive scholarships from the Hyojeong World Peace Foundation. His visit to Japan was also made possible by this project of the Hyojeong World Peace Foundation.
Learn from here.