New technology to fight fire in high rise building
Documentary in Chinese
http://tv.cctv.com/2019/05/04/VIDE6....shtml?spm=C96370.PsikHJQ1ICOX.Ec7S4lBSquhS.3
Documentary in Chinese
http://tv.cctv.com/2019/05/04/VIDE6....shtml?spm=C96370.PsikHJQ1ICOX.Ec7S4lBSquhS.3