【Reminder】Safety tips for the "May Day" holiday of the Ministry of Emergency Management 【Reminder】Safety tips for the "May Day" holiday of the Ministry of Emergency Management 【Reminder】Safety tips for the "May Day" holiday of the Ministry of Emergency Management 【Reminder】Safety tips for the "May Day" holiday of the Ministry of Emergency Management 【Reminder】Safety tips for the "May Day" holiday of the Ministry of Emergency Management 【Reminder】Safety tips for the "May Day" holiday of the Ministry of Emergency Management 【Reminder】Safety tips for the "May Day" holiday of the Ministry of Emergency Management 【Reminder】Safety tips for the "May Day" holiday of the Ministry of Emergency Management 【Reminder】Safety tips for the "May Day" holiday of the Ministry of Emergency Management 【Reminder】Safety tips for the "May Day" holiday of the Ministry of Emergency Management Source: Volunteer Zhengzhou