After the placement of surveillance cameras, the monitoring room should also be placed, which is for the left-behind people to live in, and also to place monitoring displays.

For the sake of the safety of the people left behind, Lu Ren decided to place the monitoring room ten meters underground on the north slope near the cliff.

A hole was specially dug out from the north slope, camouflaged out of the wall, and the nearby mountain stone was the same as the shape, the mountain stone safety door with a thickness of one meter, which was made of alloy material, and three roads were set up to facilitate the left-behind personnel to lurk and camouflage. Escape by jumping off a cliff and making a forced landing, and finally escape by parachuting.

Two artificial generators, high-efficiency single-person riding power generation vehicles, and four sets of batteries are set up inside to solve the internal ......

"The Years I Was a Bastard in the Cultivation Realm" Chapter 254; Isn't it a bit overdone? I am hitting it in my hand, please wait a moment,

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