images taken from otsuka were put in the official photo books. his picture of glowing red in the dark is one of them. since the fire, otsuka has been regularly visiting the castle to photograph its preconstruction. translator: the reconstruction efforts are certainly moving forward. i'm convinced that my mission is to record the process through photographic images, and i hope to help the project as much as possible. >> reporter: otsuka has long felt an affinity with suri castle and is determined to document its progress until it's brought back to its former glory again. >> as we've seen, photographs have the power to keep alive memories of the past and give us courage to move forward. they can be an immense source of strength, especially in difficult times like these. and that's all for today's news line in depth. thank you for tuning in. we leave you with a look at a group of high school students in okinawa who also have a very special relationship with suri castle. assault on the people's representatives, capitol hill police sworn to protect th