Plovdiv-based property developer and investor Yazov announced it will break ground on January 5 2009 on a 21-building residential complex in Bulgaria's third largest city.The project, named Sky Buildings is valued at 50 million euro, according to the investor.The buildings, set to rise on a 3.2 hectares plot, will house homes, shops, eateries, spa centres and cinema halls.Thirty per cent of the total area will be gardens and children's playgrounds.The complex is set for completion in March 2013.