In this Dec. 28, 2015 photo provided by China's Xinhua News Agency, rescuers try to contact the trapped people at a collapsed mine in Pingyi County, east China's Shandong Province.
In this Dec. 28, 2015 photo provided by China's Xinhua News Agency, rescuers try to contact the trapped people at a collapsed mine in Pingyi County, east China's Shandong Province. Guo Xulei AP
In this Dec. 28, 2015 photo provided by China's Xinhua News Agency, rescuers try to contact the trapped people at a collapsed mine in Pingyi County, east China's Shandong Province. Guo Xulei AP