Drilling crews have have now finished two of the four exploratory shafts that they're setting in front of Bertha in order to suss out anything else that might be blocking her as she attempts to tunnel under Seattle. If they end up finding nothing else besides the eight-inch pipe they already know about, the shafts will end up becoming underground barriers to help workers who come in after Bertha to clean up her mess. So, if you were hoping to find out dragons were involved, there's still hope. [Bertha]
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