funny@lemmus.org to Ask Lemmy@lemmy.world · 1 年前Why 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 年前message-square127fedilinkfile-text
I found such a photo on the Internet and became interested in what function such a structure could perform.
minus-squaremagnetosphere@kbin.sociallinkfedilinkarrow-up2arrow-down1·1 年前That was my first guess about its purpose. Thanks for the info!
That was my first guess about its purpose. Thanks for the info!