Twenty days after the accident at the El Pinabete coal pits in Coahuila, hope for the relatives of the trapped miners of finding them alive has been diminishing hour by hour.
Despite the rescue efforts by the authorities, who continue to drain the wells in search of the best route to reach the workers, the operation seems to have stalled.
Not even the call for help from foreign companies to join in the work has been able to speed up the emptying system of the Colápsala mine.
EL PAÍS journalist Alejandro Santos explains the complications of the rescue operation, as well as the general panorama of a tragedy that has uncovered the precarious conditions in which miners work in Coahuila every day.
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