Hello Brazil here, I live in Salvador but I think the answer is Brasilia because it is our capital.
Answer:
I will research on troposphere Because:-
1. Most of phenomena occurs in troposphere
2. Most of terrain is found in troposphere
3. It is first layer of atmosphere
4. It is the nearest layer of atmosphere from the surface of earth
5. As it contain most of things so there most chance of discovering a new undiscovered thing
Explanation:
Hope this help!!
Is there a photo? I can’t really answer without a photo or anything..?