funny@lemmus.org to Ask Lemmy@lemmy.world · 1 year agoWhy is such a tunnel needed?media.mas.toimagemessage-square130fedilinkarrow-up1765arrow-down146file-text
arrow-up1719arrow-down1imageWhy is such a tunnel needed?media.mas.tofunny@lemmus.org to Ask Lemmy@lemmy.world · 1 year agomessage-square130fedilinkfile-text
I found such a photo on the Internet and became interested in what function such a structure could perform.
minus-squareSlowlinkfedilinkarrow-up17·1 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.