Waiting
For rivers to even exist, there needs to be an enormous and continuous supply of water running into them, this is logical Yes?
Water vapour, even in the most condensed form, is still just water vapour.
At this high density, even if it could somehow make rivers, (which is unlikely for you need mountains, and according to some, this did not happen till after the flood, Hmmm!)
life would be impossible for humans.!!!
What about The Garden of Eden ? and then life outside it??. I can picture it now, Adam and Eve wearing rubber macs while planting rice, for they would be able to grow nothing else.
Hey, without no direct sunlight, there would not be any vegatation anyway, let alone rainbows!!
There are none so blind that do not wish to see.
Radar