Ключевые слова: barrier, control, crowd, crowd control, crowd control barriers, crowd management, day, event, event management, event organization, event security, japan, law enforcement, monitoring, officer, orderly, outdoor, personal security, protection, public event, public event security, public gathering, public safety, safety, safety measures, safety service, security, security staff, service, staff, supervising, tokyo, uniform, urban event, vigilance,