Wonderful photo of not only a tunnel, but a drainage system. I see this has two levels. I wonder how many level there are in the system that drop lower, and where it’s final destination is? Thank you, João! Hugs, Suzanne Reply
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Wonderful photo of not only a tunnel, but a drainage system. I see this has two levels. I wonder how many level there are in the system that drop lower, and where it’s final destination is?
Thank you, João!
Hugs,
Suzanne