Colorful Boundaries

Today I'm going to share some Boundaries I faced on my travels around the globe.

I'm not going to say a lot about these Pictures because I would like you to
tell me your thoughts on them !

Which one do you like the most and how would you name it?

1 Fence - Belgrade, Serbia

2 Road Closed Sign - Clearwater, Florida (USA)

3 Railing - Bangkok, Thailand

4 Railing - Novi Sad, Serbia

5 Fence - Santa Barbara, California (USA)

6 Fencing Rope - San Francisco, California (USA)

Thank you for you feedback,
Dan