Nanjing xinjiekou puts balloons in front of Suning Appliance on New Year's Eve. According to relevant information, nanjing xinjiekou released a balloon in front of Suning Appliance next to Xinjiekou on New Year's Eve. The release of hydrogen balloons has potential safety hazards and will also cause environmental damage. The filling gas of hydrogen balloon is flammable, which will explode instantly in case of fire, easily causing fire and air pollution. It is suggested to reduce such activities.