It was necessary to adopt the technical approach and adequate assurances to secure UNESCO with all necessary elements to include this large and complexsite in the List.
"This is a large and complexsite and they are still pursuing terrorists and possibly some of the hostages, " British Prime Minister David Cameron said Friday in London.
It includes a new convention centre and indoor arena with four potential sites: the current County Hall site in Cardiff Bay, the Red Dragon cinema complex nearby, the site of the Brains brewery and Callaghan Square, which are both situated close to Cardiff's central railway station.