The opportunity to see "Diamond Iwakiyama" will come on July 22-23 at Hirosaki Castle Honmaru (Shimohiragincho, Hirosaki City).

"Diamond Iwaki" is based on "Diamond Fuji" where you can see the shining scenery of diamonds at the moment when the sun is over the top of Mt. Fuji, and you can capture the same phenomenon at Mt. A phenomenon named by Hirosaki Tower.

Hirosaki Tower says, "I saw a photograph of "Diamond Fuji" in a specialized magazine, and I came up with the idea of shooting "Diamond Iwakiyama"." It uses the map software "Kashmir 3D" to simulate the position of the sun.

"When I calculated the date and time when I would call "Diamond Iwakiyama" from Hirosaki Park Honmaru in late May, the simulation result was around 18:23 on 22nd and 23rd of this month," Hirosaki Tower said. When I posted the same result to SNS, there were many retweets and likes, and when I tweeted "Diamond Iwakiyama" that I could see from Shinmachizaka (Momomori Town) on 11th and 13th of this month, There was a reaction from the Geographical Society of Japan and Mr. DAN Sugimoto, the creator of Kashmir 3D.

The Hirosaki castle tower is now moving to the center of the main building, about 70 meters from its original position, for repairing the stone wall. Hirosaki Tower expects that "Diamond Iwakiyama" can be seen with Hirosaki castle tower for two days," as the observation deck where the Hirosaki castle tower can be seen with Mt. To send.