On the 28th, amidst a series of accidents involving snowboarders off the course of the ski resort, the police at the ski resort in Aomori City Installed a poster calling attention to skiing on the designated course. According to the police, from the beginning of this year to the 28th, there were three accidents in winter mountains in the prefecture, and all of them were snowboarding off the course of the ski resort. Among them, on the 20th of this month, a man in his 40s from Rokkasho Village, who was snowboarding off the course of "Hakkoda Ski Resort" in Aomori City, died in an accident. In response to this situation, on the 28th, at this ski resort, the police and officials of the ski resort jointly set up posters calling for attention, such as "Let's ski on the designated course" at the ropeway platform. In addition, the ticket office will also distribute pocket tissues that encourage people to carry mobile phones with them when skiing or snowboarding. Tsuneo Uchijo, a regional officer at the Aomori Police Station, said, "I would like to ask skiers and boarders to ski on the designated course. I want you to act in groups as much as possible, not alone."