funny@lemmus.org to Ask Lemmy@lemmy.world · 1 year agoWhy is such a tunnel needed?media.mas.toimagemessage-square130fedilinkarrow-up1766arrow-down147file-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-squareNeoNachtwaechter@lemmy.worldlinkfedilinkarrow-up20arrow-down2·1 year agoThey dug it out before. Later they rebuild it. But if they wait for a year, nature suffers much.
They dug it out before. Later they rebuild it. But if they wait for a year, nature suffers much.