1.) What interesting places can I find further down the river?
2.) Is there any way to film from the middle of the river?
3.) Does the river ever turn into rapids?
4.) Where does the river start/end?
5.) Are there noticeable differences in the two sides of the river that I could contrast?
6.) Where does the sewer drain come from?
7.) Are there any sewers or tunnels large enough to film from inside?
8.) Are there any footbridges crossing the river, lower to the water?
9.) Are there any dams along the river, man-made or not?
10.) Does the river become any narrower to make access across easier?