Brussels, 24/04/2008 (Agence Europe) - The sixth OPEN DAYS event will be held in Brussels from 6 to 9 October 2008, and the theme will be “Regions and cities in a challenging world”. Developed by a partnership of the European Commission (DG Regio), the Committee of the Regions (CoR) and the European Parliament (EP) is the largest annual European get-together of cities and regions. 217 regions and cities from 32 countries and some 5,000 regional and local experts (representatives of the...