Yes, you can walk right past
Yep, the glass floor is optional. Just walk past it.
Yes just walk past them
It is about a 3ft square area on the edge of the walkway. No need to stand on it, but it's super thick and probably wouldn't bother you once you saw them anyway. You can barely see through them.
Yes, the glass floor juts out from the walkway. It's easy to avoid, just don't walk on it, stay on the path.
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