funnytoAsk Lemmy@lemmy.world·11 months agoWhy is such a tunnel needed?(media.mas.to)imagearrow-up19arrow-down10message-square27file-textfedilink
arrow-up19arrow-down1imageWhy is such a tunnel needed?(media.mas.to)funnytoAsk Lemmy@lemmy.world·11 months agomessage-square27file-textfedilink
I found such a photo on the Internet and became interested in what function such a structure could perform.
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