CARDIFF, WALES - AUGUST 26:  People pass through a pedestrian gate that has been fitted in the security fence that has been erected in front of Cardiff Castle ahead of the NATO summit that is being held in South Wales next week on August 26, 2014 in Cardiff, Wales. The barriers have been erected in the Welsh capital as a security measure as preparations for the international conference continue at the Celtic Manor Resort in Newport.  (Photo by Matt Cardy/Getty Images)