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Heavenly God: Various inventors and creators (solving various difficult diseases on Earth)!
The Heavenly God said "In the future, the Earth wants to shake its body and hopes to take preventive measures."
The problems to be solved in repairing the Earth include:
1).Prevent earthquake {(length or width)>=high proportion structure};
2).Prevent strong winds {spatial net structure};
3).Prevent mudslides(N-COUNT) which maybe become one stone mountain after long time {dig a trench and cave to dissipate heat and cool the earth with seawater};
4).Prevent flood using {stairs or spatial corridors or ...};
5) Prevent {moisture+looseness+softness+...}(foundation+concrete);

How to resolve change in terrain type?
Using concrete as the foundation to prevent animals from drilling holes and wriggling.
The impact and infiltration of water require the construction of dams to prevent water lands too many.
The Earth's interior is too hot, there are tumors and thick masses that need to flow out to form debris flows.
If the ground cover has some problems, old builings will collapse when the slope of the ground maybe greater than 10 degrees.
But "MultimediaCity_VerticalLand" can be kept safe at a ground inclination of less than 45 degrees.
All of this could potentially cause an earthquake to occur.

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