Ключевые слова: asia, attractions, demon fireworks, demon fireworks in the valley of hell, event, fireworks, fireworks display, handheld fireworks, hell valley, hokkaido, hot springs, japan, jigokudani observatory, journey, landscape, midsummer, night, noboribetsu, noboribetsu onsen, noboribetsushi, oni fireworks, spa town, summer, summer festival, tourism, tourist attractions, travel, yukijin,