Visitors cannot see through brick arch from classic theme

[Aramar]

I discovered that visitors can't see the animals in a habitat through the non-gridded brick arch piece from the classic theme. However, they can see through other arch pieces in the game as it is logical. I reported this on the issue tracker: https://issues.frontierstore.net/issue-detail/66551

Here the piece I'm talking about

Here you can see the arch is blocking the view

Here I compare with other arch pieces

Here you can see how the brick arch from classic theme blocks the view, but the plaster arch from the North Africa theme works well as it should be with all other arch pieces.