The river's waters flow through everything, unimpressed by mere matter. From space, it enters earth and exits somewhere yet undiscovered.
Conversation
Replying to
You can bathe in the river if you don't care much for your mind - it'll be washed away. Reforming it takes days, but for some it is relief.
Replying to
Attempts have been made to travel the river, but it ignores most ships. The only vessel that works is a small paper boat from old books.
3