funny@lemmus.orgcake to Ask Lemmy@lemmy.world · 1 year agoWhy is such a tunnel needed?media.mas.toimagemessage-square117fedilinkarrow-up1759file-text
arrow-up1759imageWhy is such a tunnel needed?media.mas.tofunny@lemmus.orgcake to Ask Lemmy@lemmy.world · 1 year agomessage-square117fedilinkfile-text
I found such a photo on the Internet and became interested in what function such a structure could perform.
minus-squareSlow@lemmy.todaylinkfedilinkarrow-up16·1 year agoThis is cool. This is the first time I have heard about such projects.
This is cool. This is the first time I have heard about such projects.