After explaining the work here, Zhou Xian returned to the palace.

After asking the Ministry of Science and Technology to send a large magnet, Zhou Xian put the piece of ore the size of a child's fist on it.

Sure enough, the ore was suspended in the air and did not fall.

Looking at this magical scene, Zhou Xian couldn't help but sigh at the magic of superconducting ores.

After looking at the superconducting ore for a while, Zhou Xian refocused his gaze on the map in front of him.

This map is full of red circles.

"Da Ming: Spoilers at the beginning Chongzhen, reviving the rivers and mountains" Chapter 387 The invincible existence is in the middle of the hand, please wait a moment,

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