Big Hole & Pipe
We should choose from already exists hole or a large gorge (Pic 1)
Then drill the ground below into a pipe to connect to another (Pic 2)
In the middle, drill a hole into the top as shown in Pic 3
I think the lighter air, such as O2, may gather or separate from other gases. Its may be condense or settle here.
Drilling the large holes and connected them may be help the air to flow better and should be help, reduce the temperature as in Pic 4
Related Linked
1. Hologram Moon
2. Add The Layer
3. Big Hole & Pipe
4. EarthWorm Robot
5. Rain Curtain
