The document summarizes the National Library of Latvia (NLL) Project, which involves constructing a new building for the national library called the "Castle of Light", as well as several related digital library and information network initiatives. It discusses how the project has received international support through UNESCO resolutions, and has led to synergies like the development of the State Unified Library Information Network (Light Net) and Digital Library (Lighthouse), as well as renovations of municipal libraries around Latvia.