The ALMA-J Project Office participated in an event titled “SORAHAKU – The Future Yours to Discover. ” The event was held at the Science Museum in Tokyo from Oct. 29 through 31 and attracted a great number of visitors. In the event, the diorama of the site and posters were displayed, and researchers of the ALMA-J Project Office were stationed as science navigators at the ALMA booth, answering questions that were sometimes keen and technical.