What is the best enclosure for Asian elephants in Germany?

[Elephantelephant]

I tried the survey on the best enclosure for Asian elephants in Germany. It is a zoo with breeding groups. I've tried it once before, but I did it wrong and for too short a time. The survey now has two parts and will last a week. The first two zoos with each part will go to the finals.

Hannover:

München:

Cologne:

Berlin:

 

[Elephantelephant]

What is the best enclosure for Asian elephants in Germany? part 2
Here is the second part of the poll.