Our lemmy messages go through the Mariana Trench along 4000 miles or so long fiber optic cable of 30 000 tons laid at the dark and scary floor of the sea that is like an alien planet to us.

Pyramids are fucking kids toys compared to this shit.

By comparison ISS mere 400 kilometres above us. ~1/10 of the length of this gargantuan cable going through unknown

Truly a megastructure rivalling the sci fi tropes