Doomsday Bunker Upgrade

　　 Chen Xin is not a person who will delay. He and Qin Lan came directly from the train station to the home of the "Driller", planning to ask him to help drill a deep geothermal well to build an energy tower.

The home of the "Driller" is located at the foot of a mountain on the outskirts of the city. Because of its location, the snow here is not so deep, and it has also been cleared, so that Chen Xin can see that this place should be like a small factory. The courtyard.

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