In this handout photo released by Kuzbass regional government office, a worker operates a drilling rig at an alleged explosion site at the Listvyazhnaya coal mine during the search operation to lift bodies of victims of an accident to the surface, in the town of Belovo, in Kemerovo region, Russia. A methane explosion in the coal mine in Kemerovo region killed 51 people on November 25. Editorial use only, no archive, no commercial use.