Downstream

realise they are getting cut off
at the steps, because they
don’t want to leave.’
Graham says people
particularly like picking up
bones; ‘you see them with
armfuls, it’s some sort of
dinosaur fixation’. Others
find cannonballs and broken
cannons – the Tower supplied
the royal army with weapons
from medieval times to the
mid-nineteenth century – as
well as coins. The Tower was