Olympic Ambassadors will be back on the streets of London today. Volunteers will be in "pods" at St Pancras International Station to welcome tourists arriving on the Eurostar.
It's the first of a series of pilots to test the project. There are 55 volunteers taking part.
More top news
The Purple Rain singer died in April 2016
Fewer than a quarter of commuters want fellow passengers to start conversations with them on the Tube.
The grazing is part of a wildlife scheme to help a flower meadow and the insects that rely on it