Summary | Authorities have intensified an investigation into a
collapse at a gypsum mine in Shandong province after four
miners trapped more than 200 meters underground for 36 days
were rescued on Friday.
collapse at a gypsum mine in Shandong province after four
miners trapped more than 200 meters underground for 36 days
were rescued on Friday.
china.org.cn | 01 February 2016