Answer:
All of them have a similar aesthetic, since they have rounded characteristics.
Step-by-step explanation:
If you search for photos of these structures, you will see that they all have a strong aesthetic resemblance which are the rounded shapes, showing the similarity in the architectural style.
The most interesting thing about it, is that in all the structures these rounded shapes, although it is a characteristic in common, is what makes each one unique and imposing, being the main characteristic remembered.