Shocking footage has emerged of three residential buildings collapsing in southern China.<br /><br />In the video, filmed in Dongguan, Guangdong Province last Saturday, a three-storey house suddenly falls into a sinkhole, following days of heavy rain. <br /><br />Two other buildings nearby also collapsed.<br /><br />Fortunately, no one was injured. <br /><br />++CLIENTS PLEASE NOTE: THIS VIDEO HAS BEEN LOOPED++