funny@lemmus.org to Ask Lemmy@lemmy.world · 1 年前Why is such a tunnel needed?media.mas.toimagemessage-square130fedilinkarrow-up1762arrow-down146file-text
arrow-up1716arrow-down1imageWhy is such a tunnel needed?media.mas.tofunny@lemmus.org to Ask Lemmy@lemmy.world · 1 年前message-square130fedilinkfile-text
I found such a photo on the Internet and became interested in what function such a structure could perform.
minus-squareFlying Squid@lemmy.worldlinkfedilinkarrow-up5arrow-down1·1 年前That under construction pit is the pit of the manlion. It’s similar to the pit of the antlion, except for construction workers. They always have to deal with the manlion before they start building. Often by pouring concrete over it.
That under construction pit is the pit of the manlion. It’s similar to the pit of the antlion, except for construction workers.
They always have to deal with the manlion before they start building. Often by pouring concrete over it.