However, on the fourth day, amidst the clamoring of worried relatives, the county government changed tactics. Miners, soldiers and fire fighters began employing techniques employed in mining disasters, using railroad ties to reinforce tunnels. The clock continued to tick and days passed.
然而到了第四天，在憂心如焚的家屬催促聲中，主事的縣政府改變戰略，老礦工、國軍和消防人員改以礦坑災變救災方式，以枕木架設坑道進入搜救。