Further down the river about 80% of creatures vital to the food chain were affected.

BBC: River Nene chemical spill wiped out invertebrates

If the upper Mississippi must await progress with limits, what hope is there further down the river?

ECONOMIST: Nutrient pollution

His other choices are Holding Back The Years, Fairground - "because of that huge wheel they have further down the river" - and Words For Girlfriends.

BBC: Hucknall's race against time

The Millennium Dome, further down the river in Greenwich, was also meant to create a feeling of excitement and modernity but is now widely acknowledged to be a turkey.

ECONOMIST: The Tate Modern

Further down the Rupununi River, at Karanambu Lodge, world-renowned otter expert Diane McTurk welcomes guests to share her home and see her pioneering conservation work with orphaned giant otters.

BBC: Guyana��s path to paradise

We watched one sitting on the high riverbank, stretching its legs and wandering along the curve of the river, before slumping down in a preferable place further along.

BBC: Spotting jaguars in Brazil