Downstream

method is described as ‘ship
to shore’ but is otherwise
known as ‘shit to shore’.
As evidence of its
cleanliness the estuary is well
populated with flat fish like
sole, there is a nearby colony
of seals, and in 2008 the
Zoological Society of London
found a breeding population
of endangered seahorses.
‘Our waters have improved
massively,’ says Richard, ‘the
Thames is not the dirty urban