This is how you sell the locals the idea that the whole pedestrian precinct is about to be relaid.
You can climb up the scaffolding and look at plans (with the sun behind you).
You can buy the cuddly mole for 5 euros in the happy shops about to have all their custom disrupted.
Before this, you planned such a stunning new design with unusual stones that none of the bidders on the project were capable of presenting a correct tender in good time. After that, you decided to have simpler stones.
LATER NOTE: This picture was taken in the City of London in December 2004 and is in response to Paul’s comment (click to enlarge):