Workers dig by layers in search for 47 missing in China mine collapse - World News castanet.net - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from castanet.net Daily Mail and Mail on Sunday newspapers.
Work crews trying to find 47 people missing after a collapse at an open-pit mine in northern China have had to change their excavation methods to avoid causing more landslides, state media reported Friday.