Their dead bodies float downstream until the flood recedes, and leaves them stranded on a bar or shore where they lie, half-buried in the sand until they decay.
Which often causes Lake Tana in the northwest corner of Ethiopia to overflow and spill water into the Blue Nile that runs out of it sending a flood surge downriver clear through across Egypt and into the Mediterranean.
A rendering, so somebody probably on the Olympic committee made an actual, like, kind of like a picture of what this might look like on the river when all these boats are going down.
But other kinds of sugar alcohols make it all the way through your intestines without being completely absorbed, and have to come out as the other kind of waste.
It was then roughly shaped before being moved on wooden sleds, and pulled by large teams of labourers, from the quarry to a raft which was floated down the Nile to Luxor.