Old Billingsgate Market.
Alas it turned out the main part was only open to the public before 7 pm and, yes, that's when I arrived. And so with a very Parisian shrug of the shoulders I was told it was closed.
Just offshore they had moored the ship Belem, a lovely three masted barque:
sailed on the tall ship Maja. With typical Gallic style it went through Tower Bridge with all sails up (top).
But despite this beautiful ship France wasn't my favourite....