funny@lemmus.orgcake to Ask Lemmy@lemmy.world · 1 year agoWhy is such a tunnel needed?media.mas.toimagemessage-square27fedilinkarrow-up10arrow-down10file-text
arrow-up10arrow-down1imageWhy is such a tunnel needed?media.mas.tofunny@lemmus.orgcake to Ask Lemmy@lemmy.world · 1 year agomessage-square27fedilinkfile-text
I found such a photo on the Internet and became interested in what function such a structure could perform.
minus-squareNeoNachtwaechter@lemmy.worldlinkfedilinkarrow-up0·1 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.