Beijing News News (Reporter Zhang Tong Nicholas Ng) today ( 12 Yue 4 days), the Beijing News reporter from the Guangzhou Panyu District Propaganda Department was informed yesterday, 18 o'clock, Guangzhou has emerged with the collapse of the road events, an area of about 4 square meters. A sewer pipe fracture occurred below the collapse point, with no casualties. The cause of the collapse is under investigation.,tether coin backing.