Photos of the Day: The Bun Festival and Greenpeace Activists

London, UK

A visitor is seen in the installation A Piece of Sky by Swiss architect Stephen Huerlemana at the launch of the Clerkenwell Design Week
Photograph: Graeme Robertson for the Guardian

Bangkok, Thailand

Photographers and journalists are blocked by policemen as they arrest protesters during a rally calling for a general election, on the fourth anniversary of the military coup
Photograph: Rungroj Yongrit/EPA