At the facility on the Pacific Coast, people in casual clothes stroll under cherry trees in full bloom.
Hot meals made with local ingredients are served for ¥380 at a cafeteria. Cold drinks, snacks and sweets are available at a convenience store.
This scene is not unfolding at a popular tourist site, but at the Fukushima No. 1 nuclear power plant, which was rocked by a magnitude-9 earthquake and the ensuing tsunami on March 11, 2011.