It would be the 3rd one (auf)
The Eden Project is an educational charity located in Cornwall, UK; it provides environmental education services, projects and learning programmes for those that want to be involved. It is nestled in a crater and offers treetop walks, rainforest environments, outdoor gardens, zip wire, restaurants and much more.
The answer is: "Fähre". Ferry is "Fähre!"
Weil der Sohn nackt war. Haha
