Memorial

This is a real puzzle. Looks like the palmette in the Euston Road, also in the borough of Camden. They are both outside very interesting and tourist-worthy buildings. Neither arrow is pointing at the building in question but the stones could have been reoriented during pavement works. So we wonder if Camden once introduced some sort of sight-seeing walk, marked by flag-stones like these? Which leads to the intriguing question - are there more?  See House Sparrow for the latest news on this puzzle.

The Carreras building normally charms people but not Ornamental Passions, who point out that its site was once the Crescent Garden for the Georgian Terrace behind.