If you want to make a river "flow down a mountain" you might want to check out previous posts about waterfalls in this forum. There are a couple not too far down from this post. BTW, welcome to Brycedom! :^)

This is not my "second childhood". I'm not finished with the first one yet.

Time flies like an arrow; fruit flies like a banana.

"I'd like to die peacefully in my sleep like my grandfather....not screaming in terror like the passengers on his bus." - Jack Handy