funny@lemmus.org to Ask Lemmy@lemmy.world · 1 year agoWhy is such a tunnel needed?media.mas.toimagemessage-square127fedilinkarrow-up1735arrow-down144file-text
arrow-up1691arrow-down1imageWhy is such a tunnel needed?media.mas.tofunny@lemmus.org to Ask Lemmy@lemmy.world · 1 year agomessage-square127fedilinkfile-text
I found such a photo on the Internet and became interested in what function such a structure could perform.
I am not a clever pony.